Update the Disclaimer Msg and Fix some indentation

Disclaimer output:

************************************************************************************
*********************************PLEASE READ THIS!!*********************************

       Please remember that this source is currently for private builds ONLY!

         Public builds are NOT ALLOWED, all public builds will be removed.

       It will be welcomed after nightlies begin. Thank you, the Developers.

*********************************PLEASE READ THIS!!*********************************
************************************************************************************

Change-Id: I996cbe36b081e802897c8b8c5a425547ef3616da
Signed-off-by: Lokesh Chamane <lokesh.c703@gmail.com>