Merge "[pm] allow debuggable apps to be downgraded on release builds" into...

Merge "[pm] allow debuggable apps to be downgraded on release builds" into udc-dev am: 4722cf85 am: 17a443c9 am: 8a4f2940

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22908087



Change-Id: Id1051bb043a7fe312375dd6ea14d9fa9270f5422
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>