Migrate to android-19.

git-svn-id: http://csipsimple.googlecode.com/svn/trunk/CSipSimple@2362 9f815046-5998-e9c0-b7e2-ac03a23edfa4
Update to pjsip 4774

git-svn-id: http://csipsimple.googlecode.com/svn/trunk/CSipSimple@2363 9f815046-5998-e9c0-b7e2-ac03a23edfa4
Disable presence manager

git-svn-id: http://csipsimple.googlecode.com/svn/trunk/CSipSimple@2364 9f815046-5998-e9c0-b7e2-ac03a23edfa4