Merge "NetworkNotificationManager gets NotificationManager locally" am: a13966feea am: d0034c56c1 am: 0776d454a2 am: 29001506d8

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1459882

Change-Id: Ib82fdb4eb61b7d52e0011271da81c30606dbe3c3
tree: d00770e947c70cedf589e4dd8d941b7e097bcf2c
  1. core/
  2. services/
  3. tests/