Add compat call for getting the rotation from the window config

Bug: 143892437
Change-Id: Ide2fbf89cbe25f60c7811480fcc476017d73c851

packages/SystemUI/shared/src/com/android/systemui/shared/system/ConfigurationCompat.java

@@ -0,0 +1,28 @@
+/*
+ * 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.systemui.shared.system;
+
+import android.content.res.Configuration;
+
+/**
+ * Wraps the Configuration to access the window configuration.
+ */
+public class ConfigurationCompat {
+
+    public static int getWindowConfigurationRotation(Configuration c) {
+        return c.windowConfiguration.getRotation();
+    }
+}