Merge "Consolidate clearing mImeInsetsFrozenUntilStartInput" into sc-qpr1-dev am: 9ae4d14f5d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16375908

Change-Id: Ia3dce21e5a4198086df914d50299f9513eff108c