Merge "Refine the update process of battery tip" into pi-dev

tests/robotests/src/com/android/settings/fuelgauge/PowerUsageSummaryTest.java

@@ -352,6 +352,14 @@ public class PowerUsageSummaryTest {
                 R.string.advanced_battery_title);
     }
 
+    @Test
+    public void testRefreshUi_deviceRotate_doNotUpdateBatteryTip() {
+        mFragment.mNeedUpdateBatteryTip = false;
+        mFragment.refreshUi();
+
+        verify(mFragment, never()).restartBatteryTipLoader();
+    }
+
     public static class TestFragment extends PowerUsageSummary {
         private Context mContext;
 
@@ -364,12 +372,6 @@ public class PowerUsageSummaryTest {
             return mContext;
         }
 
-
-        @Override
-        protected void refreshUi() {
-            // Leave it empty for toggle apps menu test
-        }
-
         @Override
         void showBothEstimates() {
             List<BatteryInfo> fakeBatteryInfo = new ArrayList<>(2);