This adds H265 codec name and profile/tier/level handling needed for H265 SDP negotiation. Bug: webrtc:13485 Change-Id: I838b910042ce36f8ae3979c41a73ee46935c57d8 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/315900 Reviewed-by: Erik Språng <sprang@webrtc.org> Reviewed-by: Sergey Silkin <ssilkin@webrtc.org> Commit-Queue: Jianlin Qiu <jianlin.qiu@intel.com> Cr-Commit-Position: refs/heads/main@{#40661}