Merge "Support third_party.identifier in METADATA files of external packages."...

Merge "Support third_party.identifier in METADATA files of external packages." into main am: ee736598 am: 6d17de56

Original change: https://android-review.googlesource.com/c/platform/build/+/2795360



Change-Id: I49ab9a7ebaebb9c3c3b354b46b384bf8894c3f55
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>