Hide BatteryManagerPreference if there is no adaptive charging

Fix: 271387663
Test: presubmit
Change-Id: I12c511f17f23b21f6a584d86e854683fba037047

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

@@ -61,12 +61,6 @@ public class TopLevelBatteryPreferenceControllerTest {
         assertThat(mController.getAvailabilityStatus()).isEqualTo(AVAILABLE);
     }
 
-    @Test
-    @Config(qualifiers = "mcc999")
-    public void getAvailabilityStatus_unsupportedWhenSet() {
-        assertThat(mController.getAvailabilityStatus()).isEqualTo(UNSUPPORTED_ON_DEVICE);
-    }
-
     @Test
     public void convertClassPathToComponentName_nullInput_returnsNull() {
         assertThat(mController.convertClassPathToComponentName(null)).isNull();
@@ -118,4 +112,4 @@ public class TopLevelBatteryPreferenceControllerTest {
         assertThat(mController.getSummary())
                 .isEqualTo(mContext.getString(R.string.battery_missing_message));
     }
-}
+}