tree deda90b8689e4f8d14cd41036780512d58526c69
parent 0479cde2b7d567dd154027797f2bea1b22e6cc90
author Beverly <beverlyt@google.com> 1542725791 -0500
committer Beverly <beverlyt@google.com> 1542725886 -0500

Use isGroupBlocked to check for blocked notifGroup

Avoids null pointer exception

Test: atest PreferencesHelperTest
Change-Id: Ic94b6f1f8768d4cb4afcdef8ec03165e6523188e
Fixes: 119798101