toolkit/components/telemetry/docs/data/environment.rst:450:- ``media.gmp-gmpopenh264.enabled``: Whether OpenH264 is enabled.
toolkit/components/telemetry/docs/data/environment.rst:452:- ``media.gmp-gmpopenh264.lastDownload``: When OpenH264 was last downloaded as seconds since Jan 1, 1970.
toolkit/components/telemetry/docs/data/environment.rst:454:- ``media.gmp-gmpopenh264.lastDownloadFailed``: When OpenH264 was last downloaded unsuccessfully as seconds since Jan 1, 1970.
toolkit/components/telemetry/docs/data/environment.rst:456:- ``media.gmp-gmpopenh264.lastDownloadFailReason``: The exception value when OpenH264 was last failed to downloaded.
toolkit/components/telemetry/docs/data/environment.rst:458:- ``media.gmp-gmpopenh264.lastInstallFailed``: When OpenH264 installation last failed as seconds since Jan 1, 1970.
toolkit/components/telemetry/docs/data/environment.rst:460:- ``media.gmp-gmpopenh264.lastInstallStart``: When OpenH264 installation was last started as seconds since Jan 1, 1970.
toolkit/components/telemetry/docs/data/environment.rst:462:- ``media.gmp-gmpopenh264.lastUpdate``: When OpenH264 was last updated as seconds since Jan 1, 1970.
toolkit/components/telemetry/docs/data/environment.rst:464:- ``media.gmp-gmpopenh264.visible``: Whether OpenH264 is visible.