Adding support for badging instant app icons.

Change-Id: Idc43a1a83e0a93f70879730a0acefbc124f9c0e2

src/com/android/launcher3/util/InstantAppResolver.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2015 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.launcher3.util;
+
+import android.content.Context;
+import android.content.pm.ApplicationInfo;
+
+import com.android.launcher3.R;
+import com.android.launcher3.Utilities;
+
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * A wrapper class to access instant app related APIs.
+ */
+public class InstantAppResolver {
+
+    public static InstantAppResolver newInstance(Context context) {
+        return Utilities.getOverrideObject(
+                InstantAppResolver.class, context, R.string.instant_app_resolver_class);
+    }
+
+    public boolean isInstantApp(ApplicationInfo info) {
+        return false;
+    }
+
+    public List<ApplicationInfo> getInstantApps() {
+        return Collections.emptyList();
+    }
+}