Merge "check-flagged-apis: add new CLI to verify @FlaggedApi APIs" into main...

Merge "check-flagged-apis: add new CLI to verify @FlaggedApi APIs" into main am: e2ec38c5 am: 44f92d4b

Original change: https://android-review.googlesource.com/c/platform/build/+/3042354



Change-Id: I4cfeeaa7fe52d225970f3d40e6f1092fcf6ff89d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>