Add color space information to webrtc::VideoFrame and extract from VP9

This CL is the first step for introducing color space information in webrtc.
- Add ColorSpace class listing color profiles.
- Add ColorSpace as a member of webrtc::VideoFrame.
- Make use of this class by extracting info from VP9 decoder.

Bug: webrtc:9522
Change-Id: I5e2514efee2a193bddb4459261387f2d40e936ad
Reviewed-on: https://webrtc-review.googlesource.com/88540
Reviewed-by: Niklas Enbom <niklas.enbom@webrtc.org>
Reviewed-by: Magnus Jedvert <magjed@webrtc.org>
Commit-Queue: Emircan Uysaler <emircan@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23988}

modules/video_coding/BUILD.gn

@@ -479,6 +479,7 @@ rtc_static_library("webrtc_vp9") {
     ":webrtc_vp9_helpers",
     "..:module_api",
     "../..:webrtc_common",
+    "../../api/video:video_frame",
     "../../api/video:video_frame_i010",
     "../../api/video_codecs:video_codecs_api",
     "../../common_video",
@@ -718,6 +719,7 @@ if (rtc_include_tests) {
       "../../api:create_videocodec_test_fixture_api",
       "../../api:mock_video_codec_factory",
       "../../api:videocodec_test_fixture_api",
+      "../../api/video:video_frame",
       "../../api/video:video_frame_i420",
       "../../api/video_codecs:rtc_software_fallback_wrappers",
       "../../api/video_codecs:video_codecs_api",