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: a0ada729

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



Change-Id: I457564ae5152bb378a41931f5b44e697e5e81f0c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>