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

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https://hg.mozilla.org/integration/gaia-central/rev/3c1c24eff2d9
Author: Albert <acperez@tid.es>
Desc: Merge pull request #12571 from acperez/bug-922560

Bug 922560 - Fix typo error. r=yurenju

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https://hg.mozilla.org/integration/gaia-central/rev/b4c4ecdb1dfa
Author: Albert <acperez@tid.es>
Desc: Bug 922560 - Fix typo error. r=yurenju