Merge "Extract remote insets controller out of DisplayImeController" into sc-v2-dev am: 2e990c1f26 am: 716f6fd090

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15405291

Change-Id: Ic68d4b17bf6db78f2a2f27a0f055f91a08ac8cde