Update end now text in case language has changed.

Bug: 24105850
Change-Id: I288fbea2740e7b7aa999697e3956d45403d90829

packages/SystemUI/src/com/android/systemui/volume/ZenFooter.java

@@ -139,6 +139,7 @@ public class ZenFooter extends LinearLayout {
     }
 
     public void onConfigurationChanged() {
+        mEndNowButton.setText(mContext.getString(R.string.volume_zen_end_now));
         mSpTexts.update();
     }