Merge "Make fling-to-dismiss disabled by default for PiP." into tm-qpr-dev am: 00c35a0533 am: fc71292f7c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20069055

Change-Id: I247fe5716da315a02e0f5cfa30d2c2dbfacb06d4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>