Merge "Remove Ink window when IME is switched." into udc-qpr-dev am: 6b6dae0544 am: 351e03996c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24830836

Change-Id: I0e5784f36d747ec238f06ecd38db62c05219e8a4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>