Fix crash condition by adding a null check in DigitalWellBeingToast

Fixes a crash condition where TaskView#getRecentsView() could return null when being called from DigitalWellBeingToast#setBanner(), resulting in a crash.

Fixes: 217671133

Test: Manual
Change-Id: I964384d97d26336e9a5e8e4c025f66ab78c63e0a
1 file changed