Fix gn check on iOS for dEQP and trace targets Bug: angleproject:5417 Change-Id: I0e445eb4c5f3a88fbaea4599fa3d2f87b8632fb5 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2665267 Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Yuly Novikov <ynovikov@chromium.org>