chore(bazel): [iam] update protobuf to v3.21.12 (#1262)

* chore(bazel): update protobuf to v3.21.12

PiperOrigin-RevId: 503267695

Source-Link: googleapis/googleapis@c790590

Source-Link: https://github.com/googleapis/googleapis-gen/commit/b98230b9e68a3828cf138296e9a20e03749ae0a0
Copy-Tag: eyJwIjoiamF2YS1pYW0vLk93bEJvdC55YW1sIiwiaCI6ImI5ODIzMGI5ZTY4YTM4MjhjZjEzODI5NmU5YTIwZTAzNzQ5YWUwYTAifQ==

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

---------

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: Diego Alonso Marquez Palacios <[email protected]>

Author: gcf-owl-bot[bot]

java-iam/proto-google-iam-v1/src/main/java/com/google/iam/v1/AuditConfig.java

@@ -113,7 +113,9 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
   }
 
   public static final int SERVICE_FIELD_NUMBER = 1;
-  private volatile java.lang.Object service_;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object service_ = "";
   /**
    *
    *
@@ -166,6 +168,8 @@ public com.google.protobuf.ByteString getServiceBytes() {
   }
 
   public static final int AUDIT_LOG_CONFIGS_FIELD_NUMBER = 3;
+
+  @SuppressWarnings("serial")
   private java.util.List<com.google.iam.v1.AuditLogConfig> auditLogConfigs_;
   /**
    *
@@ -484,15 +488,15 @@ private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     @java.lang.Override
     public Builder clear() {
       super.clear();
+      bitField0_ = 0;
       service_ = "";
-
       if (auditLogConfigsBuilder_ == null) {
         auditLogConfigs_ = java.util.Collections.emptyList();
       } else {
         auditLogConfigs_ = null;
         auditLogConfigsBuilder_.clear();
       }
-      bitField0_ = (bitField0_ & ~0x00000001);
+      bitField0_ = (bitField0_ & ~0x00000002);
       return this;
     }
 
@@ -518,19 +522,31 @@ public com.google.iam.v1.AuditConfig build() {
     @java.lang.Override
     public com.google.iam.v1.AuditConfig buildPartial() {
       com.google.iam.v1.AuditConfig result = new com.google.iam.v1.AuditConfig(this);
-      int from_bitField0_ = bitField0_;
-      result.service_ = service_;
+      buildPartialRepeatedFields(result);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartialRepeatedFields(com.google.iam.v1.AuditConfig result) {
       if (auditLogConfigsBuilder_ == null) {
-        if (((bitField0_ & 0x00000001) != 0)) {
+        if (((bitField0_ & 0x00000002) != 0)) {
           auditLogConfigs_ = java.util.Collections.unmodifiableList(auditLogConfigs_);
-          bitField0_ = (bitField0_ & ~0x00000001);
+          bitField0_ = (bitField0_ & ~0x00000002);
         }
         result.auditLogConfigs_ = auditLogConfigs_;
       } else {
         result.auditLogConfigs_ = auditLogConfigsBuilder_.build();
       }
-      onBuilt();
-      return result;
+    }
+
+    private void buildPartial0(com.google.iam.v1.AuditConfig result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        result.service_ = service_;
+      }
     }
 
     @java.lang.Override
@@ -580,13 +596,14 @@ public Builder mergeFrom(com.google.iam.v1.AuditConfig other) {
       if (other == com.google.iam.v1.AuditConfig.getDefaultInstance()) return this;
       if (!other.getService().isEmpty()) {
         service_ = other.service_;
+        bitField0_ |= 0x00000001;
         onChanged();
       }
       if (auditLogConfigsBuilder_ == null) {
         if (!other.auditLogConfigs_.isEmpty()) {
           if (auditLogConfigs_.isEmpty()) {
             auditLogConfigs_ = other.auditLogConfigs_;
-            bitField0_ = (bitField0_ & ~0x00000001);
+            bitField0_ = (bitField0_ & ~0x00000002);
           } else {
             ensureAuditLogConfigsIsMutable();
             auditLogConfigs_.addAll(other.auditLogConfigs_);
@@ -599,7 +616,7 @@ public Builder mergeFrom(com.google.iam.v1.AuditConfig other) {
             auditLogConfigsBuilder_.dispose();
             auditLogConfigsBuilder_ = null;
             auditLogConfigs_ = other.auditLogConfigs_;
-            bitField0_ = (bitField0_ & ~0x00000001);
+            bitField0_ = (bitField0_ & ~0x00000002);
             auditLogConfigsBuilder_ =
                 com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
                     ? getAuditLogConfigsFieldBuilder()
@@ -638,7 +655,7 @@ public Builder mergeFrom(
             case 10:
               {
                 service_ = input.readStringRequireUtf8();
-
+                bitField0_ |= 0x00000001;
                 break;
               } // case 10
             case 26:
@@ -739,8 +756,8 @@ public Builder setService(java.lang.String value) {
       if (value == null) {
         throw new NullPointerException();
       }
-
       service_ = value;
+      bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
@@ -758,8 +775,8 @@ public Builder setService(java.lang.String value) {
      * @return This builder for chaining.
      */
     public Builder clearService() {
-
       service_ = getDefaultInstance().getService();
+      bitField0_ = (bitField0_ & ~0x00000001);
       onChanged();
       return this;
     }
@@ -782,8 +799,8 @@ public Builder setServiceBytes(com.google.protobuf.ByteString value) {
         throw new NullPointerException();
       }
       checkByteStringIsUtf8(value);
-
       service_ = value;
+      bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
@@ -792,10 +809,10 @@ public Builder setServiceBytes(com.google.protobuf.ByteString value) {
         java.util.Collections.emptyList();
 
     private void ensureAuditLogConfigsIsMutable() {
-      if (!((bitField0_ & 0x00000001) != 0)) {
+      if (!((bitField0_ & 0x00000002) != 0)) {
         auditLogConfigs_ =
             new java.util.ArrayList<com.google.iam.v1.AuditLogConfig>(auditLogConfigs_);
-        bitField0_ |= 0x00000001;
+        bitField0_ |= 0x00000002;
       }
     }
 
@@ -1010,7 +1027,7 @@ public Builder addAllAuditLogConfigs(
     public Builder clearAuditLogConfigs() {
       if (auditLogConfigsBuilder_ == null) {
         auditLogConfigs_ = java.util.Collections.emptyList();
-        bitField0_ = (bitField0_ & ~0x00000001);
+        bitField0_ = (bitField0_ & ~0x00000002);
         onChanged();
       } else {
         auditLogConfigsBuilder_.clear();
@@ -1133,7 +1150,7 @@ public com.google.iam.v1.AuditLogConfig.Builder addAuditLogConfigsBuilder(int in
                 com.google.iam.v1.AuditLogConfig.Builder,
                 com.google.iam.v1.AuditLogConfigOrBuilder>(
                 auditLogConfigs_,
-                ((bitField0_ & 0x00000001) != 0),
+                ((bitField0_ & 0x00000002) != 0),
                 getParentForChildren(),
                 isClean());
         auditLogConfigs_ = null;