Refactor background optimization mode in Power Usage Detail page.

[Screenshot]:
before: https://screenshot.googleplex.com/6m5jYWHofY2pFov

after:
[App battery usage]
- [normal] https://screenshot.googleplex.com/7aurWk7cHKaWds7
- [always unrestried/optimized] https://screenshot.googleplex.com/3rGAh4ccUYTKBAr

[Allow Background usage]
- [Restricted]: https://screenshot.googleplex.com/MPXjQe5kPWw2nhr
- [Optimized]: https://screenshot.googleplex.com/6w4zTT6r34APnGc
- [Unrestricted]: https://screenshot.googleplex.com/97FgvHWMrwASqYH

Bug: 302063050
Bug: 306295660
Bug: 308359833
Test: manual
Change-Id: I3237d015549fe26e62d6d68c13403cc2cbdf0017

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

@@ -88,6 +88,7 @@ public class BatteryUtils {
     public static final String BYPASS_DOCK_DEFENDER_ACTION = "battery.dock.defender.bypass";
 
     private static final String GOOGLE_PLAY_STORE_PACKAGE = "com.android.vending";
+    private static final String PACKAGE_NAME_NONE = "none";
 
     @Retention(RetentionPolicy.SOURCE)
     @IntDef({StatusType.SCREEN_USAGE,
@@ -140,6 +141,12 @@ public class BatteryUtils {
                 FeatureFactory.getFeatureFactory().getPowerUsageFeatureProvider();
     }
 
+    /** For test to reset single instance. */
+    @VisibleForTesting
+    public void reset() {
+        sInstance = null;
+    }
+
     public long getProcessTimeMs(@StatusType int type, @Nullable BatteryStats.Uid uid,
             int which) {
         if (uid == null) {
@@ -616,6 +623,12 @@ public class BatteryUtils {
                 && GOOGLE_PLAY_STORE_PACKAGE.equals(installSourceInfo.getInitiatingPackageName());
     }
 
+    /** Gets the logging package name. */
+    public static String getLoggingPackageName(Context context, String originalPackingName) {
+        return BatteryUtils.isAppInstalledFromGooglePlayStore(context, originalPackingName)
+                ? originalPackingName : PACKAGE_NAME_NONE;
+    }
+
     /** Gets the latest sticky battery intent from the Android system. */
     public static Intent getBatteryIntent(Context context) {
         return com.android.settingslib.fuelgauge.BatteryUtils.getBatteryIntent(context);