Bumping gaia.json for 2 gaia-central revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/22dfa1119307
Author: vingtetun <21@vingtetun.org>
Desc: Merge pull request #13928 from vingtetun/bug928612

Bug 928621 - Make call-fdnAction-menu hidden by default. r=kaze

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https://hg.mozilla.org/integration/gaia-central/rev/46de0683090c
Author: Vivien Nicolas <21@vingtetun.org>
Desc: Bug 928621 - Make call-fdnAction-menu hidden by default. r=kaze