Re #1790: Use OpenGL textures instead of platform dependent textures.

This revision contains:
 * remove the generation of iOS texture (instead directly use OpenGL textures)
 * add iOS and Android window type



git-svn-id: http://svn.pjsip.org/repos/pjproject@4925 74dad513-b988-da41-8d7b-12977e46ad98
Fixed #1791: Fixed possible crash when trying to cancel sdp negotiation upon receiving UPDATE response.



git-svn-id: http://svn.pjsip.org/repos/pjproject@4926 74dad513-b988-da41-8d7b-12977e46ad98
Fixed #1792: Create generic JNI OnLoad function



git-svn-id: http://svn.pjsip.org/repos/pjproject@4927 74dad513-b988-da41-8d7b-12977e46ad98