Fix native api in preparation for native_api example.

Add native api conversions for video frames and video renderer. This
also requires some changes to sdk/BUILD to avoid cyclic dependencies.

Bug: webrtc:8832
Change-Id: Ibf21e63bdcae195dcb61d63f9262e6a8dc4fa790
Reviewed-on: https://webrtc-review.googlesource.com/57142
Commit-Queue: Anders Carlsson <andersc@webrtc.org>
Reviewed-by: Kári Helgason <kthelgason@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#22340}
diff --git a/modules/video_coding/BUILD.gn b/modules/video_coding/BUILD.gn
index 1b3dbe8..2feb1db 100644
--- a/modules/video_coding/BUILD.gn
+++ b/modules/video_coding/BUILD.gn
@@ -514,8 +514,8 @@
         "../../sdk:native_api",
         "../../sdk:peerconnectionfactory_base_objc",
         "../../sdk:videocodec_objc",
+        "../../sdk:videosource_objc",
         "../../sdk:videotoolbox_objc",
-        "../../sdk:videotracksource_objc",
       ]
 
       if (!build_with_chromium && is_clang) {