Merge "Do not remove surface when resetting previous PiP" into udc-qpr-dev am: 2307caaea6 am: e018eb4e7d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24590348

Change-Id: I94b74854cd48f62594536aadb2d26ad10575b456
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>