[Step 2] Update non-third party change for jackson2

Follow up for bazelbuild#15215 and Step two for bazelbuild#15176

Closes bazelbuild#15295.

PiperOrigin-RevId: 443050332

Author: ThomasCJY

src/test/java/com/google/devtools/build/lib/remote/GrpcCacheClientTest.java

@@ -39,7 +39,7 @@
 import build.bazel.remote.execution.v2.Tree;
 import build.bazel.remote.execution.v2.UpdateActionResultRequest;
 import com.google.api.client.json.GenericJson;
-import com.google.api.client.json.jackson2.JacksonFactory;
+import com.google.api.client.json.gson.GsonFactory;
 import com.google.bytestream.ByteStreamGrpc.ByteStreamImplBase;
 import com.google.bytestream.ByteStreamProto.QueryWriteStatusRequest;
 import com.google.bytestream.ByteStreamProto.QueryWriteStatusResponse;
@@ -213,7 +213,7 @@ protected GrpcCacheClient newClient(
     json.put("client_secret", "foo");
     json.put("refresh_token", "bar");
     Scratch scratch = new Scratch();
-    scratch.file(authTlsOptions.googleCredentials, new JacksonFactory().toString(json));
+    scratch.file(authTlsOptions.googleCredentials, new GsonFactory().toString(json));
 
     CallCredentialsProvider callCredentialsProvider;
     try (InputStream in = scratch.resolve(authTlsOptions.googleCredentials).getInputStream()) {