mp4mux: add meta track (Fixes #554)

8 jobs from mp4mux-add-meta-track in 12 minutes and 59 seconds (queued for 1 second)
latest
Status Job ID Name Coverage
  Preparation
passed #90173
gst indent

00:00:34

passed #90172
manifest

00:00:16

 
  Build
passed #90174
build fedora x86_64

00:01:52

 
  Test
passed #90175
check fedora

00:03:34

 
  Full Builds
passed #90176
build android arm64 api28

00:03:27

passed #90178
build cerbero cross win32

00:06:06

passed #90179
build cerbero cross win64

00:06:57

passed #90177
build cerbero fedora x86_64

00:06:34