Refactor creation of ColorSpace test data

Bug: webrtc:8651
Change-Id: I2ebb5fcdc260af19d04513ab5f3d76f81a3b4ca9
Reviewed-on: https://webrtc-review.googlesource.com/c/114282
Reviewed-by: Magnus Jedvert <magjed@webrtc.org>
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
Commit-Queue: Johannes Kron <kron@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26012}
diff --git a/modules/video_coding/BUILD.gn b/modules/video_coding/BUILD.gn
index 196880d..1f737f6 100644
--- a/modules/video_coding/BUILD.gn
+++ b/modules/video_coding/BUILD.gn
@@ -813,6 +813,7 @@
       "../../api/video_codecs:rtc_software_fallback_wrappers",
       "../../api/video_codecs:video_codecs_api",
       "../../common_video",
+      "../../common_video/test:utilities",
       "../../media:rtc_h264_profile_id",
       "../../media:rtc_internal_video_codecs",
       "../../media:rtc_media_base",