Suppress EGLSurfaceTest.MakeCurrentTwice on Mac chromium builds This is to remove a failure on the intel trybots were ANGLE is currently enable to create any context while this test expects creation to succeed. BUG=angleproject:891 Change-Id: I0450da3211fd958a17f6db0d7e2a85968d6e3a87 Reviewed-on: https://chromium-review.googlesource.com/304730 Tryjob-Request: Corentin Wallez <cwallez@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org> Tested-by: Corentin Wallez <cwallez@chromium.org>