Merge "Make InputMethodService be an UI context" into rvc-dev am: f3a7bc8e am: 84bf8d43 am: 12981bae am: bbbe266c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11700778

Change-Id: Ic2b6a408cd1066dfd767eff18b2f0db6430b8922