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 am: 6c9d4d42

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



Change-Id: I5590e277a205f93bc878cfa7af846437202707be
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>