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

Merge "Microoptimize package name extraction." into main am: cf5b792e am: 5fe88a90 am: 2e629d9a am: 1a1f600e am: 5b502307

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



Change-Id: Idcb05f13d481005ee3da59256fb4f2dfc7190dab
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>