Merge "Move the logic of deciding what all insets are controllable to...

Merge "Move the logic of deciding what all insets are controllable to InsetsPolicy." into tm-dev am: de71ca35 am: c0bd2836

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17543184



Change-Id: I539a7cad22331e0be273db159d05555ebb017ef5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>