fix: introduce basic staged alias support

Author: iBotPeaches

brut.apktool/apktool-lib/src/main/java/brut/androlib/res/decoder/ARSCDecoder.java

@@ -134,6 +134,9 @@ private ResPackage readTablePackage() throws IOException, AndrolibException {
                 case Header.XML_TYPE_SPEC_TYPE:
                     readTableTypeSpec();
                     break;
+                case Header.XML_TYPE_STAGED_ALIAS:
+                    readStagedAliasSpec();
+                    break;
                 default:
                     flag = false;
                     break;
@@ -161,6 +164,17 @@ private void readLibraryType() throws AndrolibException, IOException {
         }
     }
 
+    private void readStagedAliasSpec() throws IOException {
+        int count = mIn.readInt();
+
+        for (int i = 0; i < count; i++) {
+            /* stagedResId */mIn.skipInt();
+            /* finalizedResId */mIn.skipInt();
+        }
+
+        nextChunk();
+    }
+
     private void readTableTypeSpec() throws AndrolibException, IOException {
         mTypeSpec = readSingleTableTypeSpec();
         addTypeSpec(mTypeSpec);