[GLES2] Fix broken Android builds after pull request merge that used GL_PACK_ROW_LENGTH(only available in ES 3).
[GLES2] Fix broken Android builds after pull request merge that used GL_PACK_ROW_LENGTH(only available in ES 3).

paroj/ogre,OGRECave/ogre,OGRECave/ogre,paroj/ogre,OGRECave/ogre,RealityFactory/ogre,RealityFactory/ogre,OGRECave/ogre,OGRECave/ogre,RealityFactory/ogre,paroj/ogre,RealityFactory/ogre,paroj/ogre,paroj/ogre,RealityFactory/ogre