Replace the getBatteryLevel() method from SettingsLib API

Bug: 260524172
Test: presubmit
Change-Id: Icb56abd3dc258dde142a956124dc12bbfd9ae889

tests/robotests/src/com/android/settings/fuelgauge/batteryusage/BatteryUsageBroadcastReceiverTest.java

@@ -132,6 +132,7 @@ public final class BatteryUsageBroadcastReceiverTest {
     private static Intent getBatteryIntent(int level, int status) {
         final Intent intent = new Intent(Intent.ACTION_BATTERY_CHANGED);
         intent.putExtra(BatteryManager.EXTRA_LEVEL, level);
+        intent.putExtra(BatteryManager.EXTRA_SCALE, 100);
         intent.putExtra(BatteryManager.EXTRA_STATUS, status);
         return intent;
     }