Merge "Add ENABLE_MOVE_FLOATING_WINDOW_IN_TABLETOP" into tm-qpr-dev am: 988d98eca1 am: d895a2e6e0

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21896038

Change-Id: I037d79838de028661faa1a1773ae1e974fd805df
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>