Merge "Make Sharesheet group and pin menu match material, redlines" into...

Merge "Make Sharesheet group and pin menu match material, redlines" into rvc-dev am: 5aa83946 am: 705e18ad am: 3e7995df am: 3bf99c42

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11739866

Change-Id: I21a180d4680da245982e2a9e2abedb7b69d68ff3