Fix "battery saver" not in the top seaching result for indexing

Bug: 204964119
Test: make SettingsRoboTests
Change-Id: Ifbbf979abe9e96e7af66ec20173e996793d2703e
diff --git a/src/com/android/settings/fuelgauge/BatterySaverController.java b/src/com/android/settings/fuelgauge/BatterySaverController.java
index 15070c3..c712ab0 100644
--- a/src/com/android/settings/fuelgauge/BatterySaverController.java
+++ b/src/com/android/settings/fuelgauge/BatterySaverController.java
@@ -63,7 +63,7 @@
 
     @Override
     public int getAvailabilityStatus() {
-        return AVAILABLE_UNSEARCHABLE;
+        return AVAILABLE;
     }
 
     @Override
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/BatterySaverControllerTest.java b/tests/robotests/src/com/android/settings/fuelgauge/BatterySaverControllerTest.java
index 52060a0..ddb9860 100644
--- a/tests/robotests/src/com/android/settings/fuelgauge/BatterySaverControllerTest.java
+++ b/tests/robotests/src/com/android/settings/fuelgauge/BatterySaverControllerTest.java
@@ -117,4 +117,10 @@
 
         assertThat(mBatterySaverController.getSummary()).isEqualTo("Off");
     }
+
+    @Test
+    public void getAvailabilityStatus_returnAvailable() {
+        assertThat(mBatterySaverController.getAvailabilityStatus())
+                .isEqualTo(BatterySaverController.AVAILABLE);
+    }
 }