Merge "Tap a media reco from lock screen: - Open the media activity directly in background to play; - Request to unlock the phone to open the media activity in foreground." into sc-dev am: a0eac6bb am: 7110d80a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14355243

Change-Id: I5a233fab974c415a0012f42a18c9485aaa9982ac