Merge "NotificationMediaManager now requires modern media notifications" into sc-v2-dev am: 5056199bd2 am: 412d897ff6

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16262626

Change-Id: Iff32ef272927ec07f5b5824e3c3e01c44ff49fab