Merge "Add share button to clipboard overlay" into tm-dev am: 300b9709 am: d9e51649 am: daca3ddf

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18366672



Change-Id: Icbc331eb1e0033d29621e814dd495e9cd2e96c23
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>