Merge "Allow non-empty namespaces in system uid to cancel all jobs" into udc-dev am: 8936f814 am: 370a2d40

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



Change-Id: I93a1a59ce17b3fcba793c8f00c8c17a81e99065a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>