Fix app module packet bug

Signed-off-by: Leo Ma <begeekmyfriend@gmail.com>

app/src/main/res/menu/menu_main.xml

 <menu xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools" tools:context="net.ossrs.yasea.MainActivity">
+    xmlns:tools="http://schemas.android.com/tools" tools:context="net.ossrs.yasea.demo.MainActivity">
     <item android:id="@+id/action_settings" android:title="action_settings"
         android:orderInCategory="100" app:showAsAction="never" />