Prepare for splitting the api/video:video_frames build rule.

This change is part of a change to break the dependency between "api:rtp_headers" and "api/video:video_frame". It does so by first creating an empty "api/video:video_rtp_headers" build rule so that downstream projects can be fixed before moving the source files.

Bug: webrtc:10668
Change-Id: I81aa6edfef3639b457a40aa93de048e62cbfd8ef
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/140291
Commit-Queue: Chen Xing <chxg@google.com>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#28209}
diff --git a/modules/video_coding/BUILD.gn b/modules/video_coding/BUILD.gn
index 49d39a9..4ae54db 100644
--- a/modules/video_coding/BUILD.gn
+++ b/modules/video_coding/BUILD.gn
@@ -20,6 +20,7 @@
     "../../api/video:encoded_image",
     "../../api/video:video_frame",
     "../../api/video:video_frame_i420",
+    "../../api/video:video_rtp_headers",
     "../../modules:module_api",
     "../../modules:module_api_public",
     "../../rtc_base:checks",
@@ -63,6 +64,7 @@
     "..:module_api",
     "../../:webrtc_common",
     "../../api:rtp_headers",
+    "../../api:rtp_packet_info",
     "../../api/video:video_frame_type",
     "../rtp_rtcp:rtp_rtcp_format",
     "../rtp_rtcp:rtp_video_header",
@@ -158,6 +160,7 @@
     "../../api/video:video_bitrate_allocator",
     "../../api/video:video_frame",
     "../../api/video:video_frame_i420",
+    "../../api/video:video_rtp_headers",
     "../../api/video_codecs:video_codecs_api",
     "../../common_video",
     "../../rtc_base",
@@ -196,6 +199,7 @@
   deps = [
     "..:module_api",
     "../../api/video:video_frame",
+    "../../api/video:video_rtp_headers",
     "../../api/video_codecs:video_codecs_api",
     "../../common_video",
     "../../common_video/generic_frame_descriptor",
@@ -290,6 +294,7 @@
     "../../api/video:video_frame",
     "../../api/video:video_frame_i010",
     "../../api/video:video_frame_i420",
+    "../../api/video:video_rtp_headers",
     "../../api/video_codecs:video_codecs_api",
     "../../common_video",
     "../../media:rtc_h264_profile_id",
@@ -336,6 +341,7 @@
     "../../api/video:encoded_image",
     "../../api/video:video_frame",
     "../../api/video:video_frame_i420",
+    "../../api/video:video_rtp_headers",
     "../../api/video_codecs:video_codecs_api",
     "../../common_video",
     "../../rtc_base",
@@ -369,6 +375,7 @@
     "../../api/video:encoded_image",
     "../../api/video:video_frame",
     "../../api/video:video_frame_i420",
+    "../../api/video:video_rtp_headers",
     "../../api/video_codecs:video_codecs_api",
     "../../api/video_codecs:vp8_temporal_layers_factory",
     "../../common_video",
@@ -460,6 +467,7 @@
     "../../api:scoped_refptr",
     "../../api/video:video_frame",
     "../../api/video:video_frame_i010",
+    "../../api/video:video_rtp_headers",
     "../../api/video_codecs:video_codecs_api",
     "../../common_video",
     "../../media:rtc_media_base",
@@ -505,6 +513,7 @@
 
       deps = [
         "../../api/video:video_frame",
+        "../../api/video:video_rtp_headers",
         "../../api/video_codecs:video_codecs_api",
         "../../media:rtc_audio_video",
         "../../media:rtc_media_base",
@@ -537,6 +546,7 @@
       "../../api/video:encoded_image",
       "../../api/video:video_frame",
       "../../api/video:video_frame_i420",
+      "../../api/video:video_rtp_headers",
       "../../api/video_codecs:video_codecs_api",
       "../../common_video",
       "../../rtc_base:checks",
@@ -573,6 +583,7 @@
       "../../api/video:video_bitrate_allocator_factory",
       "../../api/video:video_frame",
       "../../api/video:video_frame_i420",
+      "../../api/video:video_rtp_headers",
       "../../api/video_codecs:video_codecs_api",
       "../../common_video",
       "../../rtc_base:checks",
@@ -719,6 +730,7 @@
       "../../api/video:encoded_image",
       "../../api/video:video_frame",
       "../../api/video:video_frame_i420",
+      "../../api/video:video_rtp_headers",
       "../../api/video_codecs:rtc_software_fallback_wrappers",
       "../../api/video_codecs:video_codecs_api",
       "../../common_video",
@@ -845,6 +857,7 @@
       "../../api/video:video_bitrate_allocator_factory",
       "../../api/video:video_frame",
       "../../api/video:video_frame_i420",
+      "../../api/video:video_rtp_headers",
       "../../api/video_codecs:video_codecs_api",
       "../../api/video_codecs:vp8_temporal_layers_factory",
       "../../common_video",