Merge "Collect embedded TaskFragment window changes" into tm-qpr-dev am: d0208d9292 am: 929e5378a0

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19561152

Change-Id: I16357ce19bbb742dd0fc98b9fc7aef6416e210ac
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>