Merge "Take PIP snapshot in the shell and use bounds state size for...

Merge "Take PIP snapshot in the shell and use bounds state size for crossfading" into sc-dev am: eea27600 am: e68d0ddd

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14461846

Change-Id: I0e19d7f29d80361fb3586277ff1a22b50619392b