Add the interface to check the status of location setting.

Bug: 30790766
Test: ag/1346969

Change-Id: Id6de284ba90f75015372dbe28805bdc0d94a0723

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

@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2016 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;
+
+/**
+ * Feature Provider used in power usage
+ */
+public interface PowerUsageFeatureProvider {
+  /**
+   * Check whether location setting is enabled
+   */
+  boolean isLocationSettingEnabled(String[] packages);
+}