Bug 870113 - Switch GetFontImpl to Fira Sans, r=jfkthame
Bumping gaia.json for 2 gaia-central revision(s)

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https://hg.mozilla.org/integration/gaia-central/rev/417bf1d46811
Author: Eitan Isaacson <eitan@monotonous.org>
Desc: Merge pull request #12096 from eeejay/bug-914886

Bug 914886 - [Settings] Use aria-disabled instead of disabled class. r=kaze

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https://hg.mozilla.org/integration/gaia-central/rev/60cefe0026b2
Author: Eitan Isaacson <eitan@monotonous.org>
Desc: Bug 914886 - [Settings] Use aria-disabled instead of disabled class