Add functions of SI DatabaseUtils into Settings DatabaseUtils and remove

unused functions.

Bug: 253395332
Test: make RunSettingsRoboTests
Change-Id: I61feee3386d7291f9174acb884d09d7ab8733511

src/com/android/settings/fuelgauge/batteryusage/BatteryUsageDataLoader.java

@@ -44,11 +44,6 @@ public final class BatteryUsageDataLoader {
 
     @VisibleForTesting
     static void loadUsageData(Context context) {
-        // Checks whether the battery content provider is available.
-        if (!DatabaseUtils.isContentProviderEnabled(context)) {
-            Log.w(TAG, "battery usage content provider is disabled!");
-            return;
-        }
         final long start = System.currentTimeMillis();
         final BatteryUsageStats batteryUsageStats = DataProcessor.getBatteryUsageStats(context);
         final List<BatteryEntry> batteryEntryList =