Check for GL_OES_get_program_binary before running ProgramBinaryTest. BUG=angleproject:882 Change-Id: I2e5f4aeac6ff413d5f69097957718c52bd7828dd Reviewed-on: https://chromium-review.googlesource.com/304170 Reviewed-by: Corentin Wallez <cwallez@chromium.org> Tested-by: Geoff Lang <geofflang@chromium.org>