Merge "[Partial Screensharing] Implement loading of recent tasks, thumbnails...

Merge "[Partial Screensharing] Implement loading of recent tasks, thumbnails and icons" into tm-qpr-dev am: 8504f8c8 am: 86951ca5

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20024785



Change-Id: I73138306061dad6f7ba054634aa312f96777cac1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>