Keep consistency between sound and accessibility settings.

Bug: 130741987
Test: Tested on device
Change-Id: Id6dd485c73f9453970b8d79929ffc04acb2c76c8

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

@@ -46,7 +46,11 @@ public class RingVibrationPreferenceFragment extends VibrationPreferenceFragment
 
     @Override
     protected String getVibrationEnabledSetting() {
-        return Settings.System.VIBRATE_WHEN_RINGING;
+        if (AccessibilitySettings.isRampingRingerEnabled(getContext())) {
+            return Settings.Global.APPLY_RAMPING_RINGER;
+        } else {
+            return Settings.System.VIBRATE_WHEN_RINGING;
+        }
     }
 
     @Override