• Bug 1612941 - update gleam version to allow implementation of Gl trai… 

    …t. r=jrmuizel

Differential Revision: https://phabricator.services.mozilla.com/D65615

[ghsync] From https://hg.mozilla.org/mozilla-central/rev/c02c4c5bf7f7fd0d93f1df8661a42859eca2bf62
    Lee Salzman @moz-gfx
    Lee Salzman authored and moz-gfx committed Mar 11, 2020
    2868b2f