Merge "Fix IME callback not unregistered when IME is up during an IMM client...

Merge "Fix IME callback not unregistered when IME is up during an IMM client switch." into tm-dev am: 43572500 am: 8dd20d76

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18699773



Change-Id: Ib3e7c7a4ac00cb6838f6df99ecc2bb04b1ff4654
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>