Merge "[Bluetooth] Avoid crash from emtpy devcie name." into udc-d1-dev am: 86592dd4 am: cc6dab31

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23844629



Change-Id: I3947e34bfeb201e34a4eb684580b89c358f2b5f1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>