This would include "angle:angle_common" which is not a directory.

Bug: b/171848471
Change-Id: Ic4f03b174a4cd4b81470862b3ed79a58b415ad04
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2507630Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>