[automerger skipped] Improve InsetsPolicy#adjustVisibilityForIme when switching apps am: 4950787a am: 795186af -s ours am: 5a66fba6 -s ours

am skip reason: Merged-In Id8a56c68a06a774ef12ba444fd9a368148ea4539 with SHA-1 4950787a is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15639321

Change-Id: I60f4c3f61af5dd1c425adfbc7c139d03d4e43940