Enable OpenGL ES 3.0 context creation. Bug 19362672 Change-Id: Ie948dd0c26a6a5f65f6e15b75f2376d598129c28 Reviewed-on: https://swiftshader-review.googlesource.com/2287 Tested-by: Nicolas Capens <capn@google.com> Reviewed-by: Alexis Hétu <sugoi@google.com> Reviewed-by: Nicolas Capens <capn@google.com>