wifi-display: misc fixes for M3 response parsing

- fix wfd_video_format parsing w/ multiple H264-Codec
- fix handling of CRLF at end of M3 response
- fix missing wfd_client_rtp_ports

Bug: 8871667
Bug: 8875749

Change-Id: Idb0b5605313bba6ff067bcd765512bbed42e5202