This CL updates H26xPacketBuffer to store and prepend SPS and PPS for
H.264 bitstreams when IDR only keyframe is allowed.
Bug: webrtc:13485
Change-Id: Ic1edc623dff568d54d3ce29b42dd8eab3312f5cb
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/342225
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Commit-Queue: Philip Eliasson <philipel@webrtc.org>
Reviewed-by: Sergey Silkin <ssilkin@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#41986}
d97b6499c3