(Only the first 10 of 17 ports in this commit are shown above. )
Switch OpenH264 plugin to use environment variable
files/patch-system-openh264 causes patch churn on updates and hits
assertion with DEBUG=on. Rework to use MOZ_GMP_PATH instead.
While here populate Last Updated field to avoid falling back to Epoch start
and disable Automatic Updates in an unlikely case of
- Cisco & Mozilla providing prebuilt version for FreeBSD
- Firefox running with root priveleges i.e., write permission under /usr/local
PR: 202218 
Reported by: kib, pi 
Inspired by: Gentoo
OpenH264 is a codec library which supports H.264 encoding and decoding.
It is suitable for use in real time applications such as WebRTC.
Submitted by: Jan Beich