Merge "Play vibration preview when turning on vibration" into qt-dev

am: 1a82d653f7

Change-Id: Id403a259ae8302ca9b2ec82710f719f11f54c4b9

src/com/android/settings/accessibility/VibrationPreferenceFragment.java

@@ -128,6 +128,8 @@ public abstract class VibrationPreferenceFragment extends RadioButtonPickerFragm
             // Update vibration intensity setting
             Settings.System.putInt(getContext().getContentResolver(),
                     getVibrationIntensitySetting(), candidate.getIntensity());
+        } else {
+            playVibrationPreview();
         }
     }