[LE Broadcast] Fix crash when scan QR code am: c91d017080

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/23729065

Change-Id: I6e14d7a963c2a81b48111d6103502288b23215b8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>