Merge "Fix a background NPE in A11yIME" into tm-qpr-dev am: 8a58b216 am: c1bf6e66

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19915824



Change-Id: Ia88775b2fd61b636b2014e290f34bd0240280646
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>