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: e39eb7bc am: 38216aca

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



Change-Id: I6a539a77b28951cc29ef869155d5229b6ef07c60
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>