Add a new flag to represent a user-initiated job notification. am: 9de342ab am: dfd1b1c9

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21516858



Change-Id: Ie1811f9582c8264a029921847b27ea8ced1f8837
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>