Merge pull request #461 from SrinivasanTarget/master

Added appWaitDuration capability

Author: TikhomirovSergey

src/main/java/io/appium/java_client/remote/AndroidMobileCapabilityType.java

@@ -46,6 +46,11 @@ public interface AndroidMobileCapabilityType extends CapabilityType {
      */
     String APP_WAIT_PACKAGE = "appWaitPackage";
 
+    /**
+     * Timeout in milliseconds used to wait for the appWaitActivity to launch (default 20000).
+     */
+    String APP_WAIT_DURATION = "appWaitDuration";
+
     /**
      * Timeout in seconds while waiting for device to become ready.
      */