Make sure Settings won't crash if target fragment does not exist.

Bug: 179737140

Test: Manual
Change-Id: Ib2c05ba718642223b693de69bd2a6ad5fcfb9364
1 file changed
tree: c6d99ad971ac6d69684532625ac77a63992a9bd1
  1. Settings/
  2. TwoPanelSettingsLib/
  3. Android.bp
  4. OWNERS
  5. PREUPLOAD.cfg