Finish ClockFacePickerActivity on "Apply" click.
am: 5643b78bca

Change-Id: I48017c4a55321fa022d4a74e498128defdcadf7c
diff --git a/src/com/android/customization/picker/ClockFacePickerActivity.java b/src/com/android/customization/picker/ClockFacePickerActivity.java
index 261f794..bfe2e5e 100644
--- a/src/com/android/customization/picker/ClockFacePickerActivity.java
+++ b/src/com/android/customization/picker/ClockFacePickerActivity.java
@@ -56,6 +56,7 @@
                 result.putExtra(EXTRA_CLOCK_FACE_NAME, option.getId());
                 setResult(RESULT_OK, result);
                 callback.onSuccess();
+                finish();
             }
 
             @Override