Merge "Allow non-empty namespaces in system uid to cancel all jobs" into udc-dev am: 8936f814

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22133473



Change-Id: I153919d423e1bc80d2994fa68a2147e02509ad23
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>