Merge "Let A11yIME use its own IPC definitions" into tm-dev am: 538f3693 am: 7502c8e9 am: a3cad01b

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



Change-Id: I106f0d94c0d9487baac0862c775e5ff1f2850bb9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>