Merge "Add flags for android U sharesheet features." into tm-qpr-dev am: 94a082e3

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21131211



Change-Id: I879ad94983598332f8028ad01926714fd15b08e3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>