Ringtone picker to handle RESULT_CANCELED from Add ringtone

When a user backs out of the "Add ringtone" menu no ringtone is
shown as selected.
   This change fixes this issue by handling RESULT_CANCELED code
from the activity for "+ Add ringtone" to show the list properly.

Bug: 176465037
Change-Id: I4cc4b4c01477e173c766b67167c0e249a6d55bbf
diff --git a/packages/SoundPicker/src/com/android/soundpicker/RingtonePickerActivity.java b/packages/SoundPicker/src/com/android/soundpicker/RingtonePickerActivity.java
index 56b940c..1073f61 100644
--- a/packages/SoundPicker/src/com/android/soundpicker/RingtonePickerActivity.java
+++ b/packages/SoundPicker/src/com/android/soundpicker/RingtonePickerActivity.java
@@ -300,6 +300,8 @@
                 }
             };
             installTask.execute(data.getData());
+        } else if (requestCode == ADD_FILE_REQUEST_CODE && resultCode == RESULT_CANCELED) {
+            setupAlert();
         }
     }