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

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



Change-Id: I34650207fa35ccddcd80ba2620f2e5cf15fbe7e8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>