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

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



Change-Id: I59259fada4930c003136505ed8cae5964efad70a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>