Update version code for Muzei 3.4.5 RC 3

Update version code for Muzei 3.4.5 RC 2

Update version code for Muzei 3.4.5 RC 1

Update version code for Muzei 3.4.4 RC 3

Update version code for Muzei 3.4.4 (RC 2)

Add onDismiss callbacks to dialogs

For the dialogs that close `MuzeiActivity`, ensure that when the user taps outside of the dialog that the activity is finished.

Update version code for Muzei 3.4.3

Update version code for Muzei 3.4.2 RC 3

Update version code for Muzei 3.4.2 RC 2

Update version code for Muzei 3.4.2