[automerger skipped] New Pipeline: Remote Input 3/4: Extract notification rebuilder methods to a utility am: f744d23a2e am: 839eda327b -s ours

am skip reason: Merged-In I80ace34e5e97e5ccc6135276b83102f5696dd23b with SHA-1 393591cab0 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16167381

Change-Id: Ie336b1e7173a69f116a8e83a230edcce07e57abc