Merge "Fix IME flicker by dispatching unrelated insets after unset IME frozen" into sc-v2-dev am: 02a181f737 am: 3f52d48d5f

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16663837

Change-Id: Iaf1036d48d82527121b530c6bc159365f86bcbb1