[automerger skipped] Fix IME flicker by dispatching unrelated insets after unset IME frozen am: 83c396e9e7 -s ours

am skip reason: Merged-In I95c5b45bd4cf9c30ff7771b2db485c8ae2b0c6db with SHA-1 be42921e05 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17061633

Change-Id: Icc85a6c4e90f48be20abcd61c2ca3ed0291f7e4c