Add util method to get battery stats

Bug:62271803
Test: make RunSettingsRoboTests
Change-Id: I91089c24c7cd5f7329be052c50859e049e70e9b1

tests/robotests/src/com/android/settings/fuelgauge/BatteryStatsHelperLoaderTest.java

@@ -1,65 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.settings.fuelgauge;
-
-import static org.mockito.Mockito.verify;
-
-import android.content.Context;
-import android.os.BatteryStats;
-import android.os.Bundle;
-import android.os.UserManager;
-
-import com.android.internal.os.BatteryStatsHelper;
-import com.android.settings.testutils.SettingsRobolectricTestRunner;
-import com.android.settings.TestConfig;
-
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.mockito.Mock;
-import org.mockito.MockitoAnnotations;
-import org.robolectric.annotation.Config;
-
-@RunWith(SettingsRobolectricTestRunner.class)
-@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
-public class BatteryStatsHelperLoaderTest {
-    @Mock
-    private BatteryStatsHelper mBatteryStatsHelper;
-    @Mock
-    private Bundle mBundle;
-    @Mock
-    private Context mContext;
-    @Mock
-    private UserManager mUserManager;
-    private BatteryStatsHelperLoader mLoader;
-
-    @Before
-    public void setUp() {
-        MockitoAnnotations.initMocks(this);
-
-        mLoader = new BatteryStatsHelperLoader(mContext, mBundle);
-        mLoader.mUserManager = mUserManager;
-    }
-
-    @Test
-    public void testInitBatteryStatsHelper_init() {
-        mLoader.initBatteryStatsHelper(mBatteryStatsHelper);
-
-        verify(mBatteryStatsHelper).create(mBundle);
-        verify(mBatteryStatsHelper).refreshStats(BatteryStats.STATS_SINCE_CHARGED,
-                mUserManager.getUserProfiles());
-    }
-}