Fixed receiving deletion failed notification upon rotating the device after deleting a file

The Snackbar onDismissed() callback ran twice while rotating the device which caused this issue.

Remove the callback from Snackbar when it gets called.

Change-Id: Ifd5c2333d0481a840985603fef5794f6204404eb
Fixes: 113161630
Test: manual, 1) delete some files, 2) rotate device, 3) check this notification