am cefb8858: am 28333315: Merge "Added support for the GL_TEXTURE_EXTERNAL target" into gingerbread

Merge commit 'cefb88587443323d147e687ff78eae9195eb584c'

* commit 'cefb88587443323d147e687ff78eae9195eb584c':
  Added support for the GL_TEXTURE_EXTERNAL target