tree a07d7f64ac43aa49c79dbf504a4ae51e4df35451
parent 9effa5c8840b462f58a1844693776a3b7bfccb1b
author yueg <yueg@google.com> 1504636307 -0700
committer Eric Erfanian <erfanian@google.com> 1505152588 -0700

Fix bubble crash when dismiss audio route selector dialog.

When AudioRouteSelectorDialogFragment tries to call
onAudioRouteSelectorDismiss() on its parent AudioRouteSelectorActivity, the parent might already finish,
which causes NPE. We should make sure the fragment is dismissed and removed before the activity finished. We do it when activity onPause because we don't expect it to resume.

Test: AudioRouteSelectorDialogFragmentTest
PiperOrigin-RevId: 167607068
Change-Id: Ifd2efcc92eb45262da2c6441bfac8119799d78f2