Delete DockDefenderTip and Detector

- remove dock defender
- remove unused string

Test: atest SettingsRoboTests
Bug: 315748218
Flag: NA
Change-Id: Ida4bb1d36a653d1787595212aac167d2f4dd3438

src/com/android/settings/fuelgauge/BatterySettingsFeatureProvider.java

@@ -35,5 +35,5 @@ public interface BatterySettingsFeatureProvider {
     boolean isBatteryInfoEnabled(Context context);
 
     /** A way to add more battery tip detectors. */
-    void addBatteryTipDetector(Context context, List<BatteryTip> tips);
+    void addBatteryTipDetector(Context context, List<BatteryTip> tips, BatteryInfo batteryInfo);
 }