Merge "[Partial Screensharing] Rename start button id" into udc-dev am: 4a2870ce am: a13cf896

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22597857



Change-Id: I48f5c0c1952c6d8388f63620b78679f4c9b42966
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>