Fixing voicemail notification bug

Added a check for null notification tags when updating voicemail notifications.

Bug: 67607115
Test: manual and unit test
PiperOrigin-RevId: 172121860
Change-Id: If9fd6ca972a5a1dbd48a9c529f3cb46c3c93fa2a
1 file changed
tree: 80c06265710d1811843a32356eaa53b3f070960c
  1. assets/
  2. java/
  3. Android.mk
  4. AndroidManifest.xml
  5. CONTRIBUTING
  6. LICENSE