Merge "Scale down PIP when it's dragged into the dismiss target." into rvc-dev am: 7a1cd3f757

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11886098

Change-Id: Ib1391d2ac9d0b1384fc2a25ccf5e9dbc9b37861b