build.xml : update project name to SDKLauncher-Android

This makes it so the .apk that comes out is named
SDKLauncher-Android instead of MainActivity.

Author: datalogics-bhaugen

SDKLauncher-Android/build.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project name="MainActivity" default="help">
+<project name="SDKLauncher-Android" default="help">
 
     <!-- The local.properties file is created and updated by the 'android' tool.
          It contains the path to the SDK. It should *NOT* be checked into