Add ApplaunchInterface class

Inorder to support application launch workload, a new interface is created
which has methods that need to be implemented by all workloads that
support application launch time instrumentation.

wlauto/external/uiauto/src/com/arm/wlauto/uiauto/ApplaunchInterface.java

@@ -0,0 +1,54 @@
+
+/*    Copyright 2013-2016 ARM Limited
+ *
+ * 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.arm.wlauto.uiauto;
+
+import android.os.Bundle;
+import android.util.Log;
+
+// Import the uiautomator libraries
+import com.android.uiautomator.core.UiObject;
+
+/**
+ * ApplaunchInterface.java
+ * Interface used for enabling uxperfapplaunch workload.
+ * This interface gets implemented by all workloads that support application launch
+ * instrumentation.
+ */
+
+public interface ApplaunchInterface {
+
+    /**
+     * Sets the launchEndObject of a workload, which is a UiObject that marks
+     * the end of the application launch.
+     */
+    public UiObject getLaunchEndObject();
+
+    /**
+     * Runs the Uiautomation methods for clearing the initial run
+     * dialogues on the first time installation of an application package.
+     */
+    public void runApplicationInitialization() throws Exception;
+
+    /**
+     * Provides the application launch command of the application which is
+     * constructed as a string from the workload.
+     */
+    public String getLaunchCommand();
+
+    /** Passes the workload parameters. */
+    public void setWorkloadParameters(Bundle parameters);
+}