Add GL_OES_compressed_ETC1_RGB8_texture. Needed for gfxbench.
Add GL_OES_compressed_ETC1_RGB8_texture. Needed for gfxbench.

baldurk/renderdoc,googlestadia/renderdoc,michaelrgb/renderdoc,victor-moya/renderdoc,baldurk/renderdoc,baldurk/renderdoc,michaelrgb/renderdoc,Velro/renderdoc,etnlGD/renderdoc,TurtleRockStudios/renderdoc_public,Velro/renderdoc,googlestadia/renderdoc,Zorro666/renderdoc,TurtleRockStudios/renderdoc_public,victor-moya/renderdoc,Lssikkes/renderdoc,Zorro666/renderdoc,TurtleRockStudios/renderdoc_public,cgmb/renderdoc,Lssikkes/renderdoc,michaelrgb/renderdoc,etnlGD/renderdoc,cgmb/renderdoc,Lssikkes/renderdoc,Velro/renderdoc,etnlGD/renderdoc,etnlGD/renderdoc,etnlGD/renderdoc,googlestadia/renderdoc,Velro/renderdoc,Zorro666/renderdoc,TurtleRockStudios/renderdoc_public,baldurk/renderdoc,googlestadia/renderdoc,michaelrgb/renderdoc,etnlGD/renderdoc,victor-moya/renderdoc,googlestadia/renderdoc,cgmb/renderdoc,Velro/renderdoc,victor-moya/renderdoc,victor-moya/renderdoc,TurtleRockStudios/renderdoc_public,Zorro666/renderdoc,cgmb/renderdoc,Lssikkes/renderdoc,baldurk/renderdoc,googlestadia/renderdoc,Lssikkes/renderdoc,Zorro666/renderdoc,Velro/renderdoc,Zorro666/renderdoc,baldurk/renderdoc,cgmb/renderdoc,TurtleRockStudios/renderdoc_public,michaelrgb/renderdoc,Lssikkes/renderdoc,victor-moya/renderdoc