Don't use debug data in app list controller

This is a bug, USE_FAKE_DATA should never be true in build

Change-Id: I14059cd243380c754ca0cff09f088d62828ec755
Fixes: 73117246
Test: Build

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

@@ -220,4 +220,9 @@ public class BatteryAppListPreferenceControllerTest {
 
         assertThat(mPreferenceController.isAvailable()).isFalse();
     }
+
+    @Test
+    public void testNeverUseFakeData() {
+        assertThat(BatteryAppListPreferenceController.USE_FAKE_DATA).isFalse();
+    }
 }