Merge "Let A11yIME use its own IPC definitions" into tm-dev am: 538f3693 am: 7502c8e9

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17773213



Change-Id: I7219f342c5efbc6c94cca1f9534debf224b016bf
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>