Merge "Add core notifications team as owners of internal notification widgets." am: 752040bead am: 6b3ed78bf6

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1571164

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I7133f6b8f758f6a37973691aea5e1ea2386a848b