Merge "Microoptimize package name extraction." into main am: cf5b792e

Original change: https://android-review.googlesource.com/c/platform/build/+/2784389



Change-Id: If2c7e371ca4d642467041d5202001b101cdc7429
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>