Merge "speech: Null-check service connection before usage" into udc-dev am:...

Merge "speech: Null-check service connection before usage" into udc-dev am: 671d962a am: 2b0fb04d am: f9625ef0

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23296601



Change-Id: If931a7bc37bbb41d6120da2768205a1c522e21b8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>