Remove the current battery usage chart and replace it with new one

Bug: 183921876
Test: make SettingsRoboTests
Test: make SettingsGoogleRoboTests
Change-Id: I06f0eb5c09d07a9db0d1a93cda751e8fad672c79

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

@@ -124,4 +124,9 @@ public interface PowerUsageFeatureProvider {
      * Checks whether smart battery feature is supported in this device
      */
     boolean isSmartBatterySupported();
+
+    /**
+     * Checks whether we should enable chart graph design or not
+     */
+    boolean isChartGraphEnabled(Context context);
 }