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: I18c211adf3897625adf5b31272d70b4a59792283
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>