Merge "Always allow BAL for system." into udc-dev am: fd9d67ef am: f3c2fbcd am: 298de9be am: aaff062e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23248495



Change-Id: Ic13e10ef88ae56a3248207a7c41f3c64abb77987
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>