Merge "Refactor metadata tool to support metadata generation for different...

Merge "Refactor metadata tool to support metadata generation for different rules." into main am: 432c41ec

Original change: https://android-review.googlesource.com/c/platform/build/+/2833290



Change-Id: Ic7cd050759a12ccda49dae0b868814d40fd24efe
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>