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

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https://hg.mozilla.org/integration/gaia-central/rev/94de2244eec2
Author: Gabriele Svelto <gsvelto@mozilla.com>
Desc: Merge pull request #11696 from gabrielesvelto/bug-810382-gaia-parallel-builds

Bug 810382 - Re-enable parallel builds now that they are working correctly r=timdream

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https://hg.mozilla.org/integration/gaia-central/rev/038f9ed8887a
Author: Gabriele Svelto <gabriele.svelto@gmail.com>
Desc: Bug 810382 - Re-enable parallel builds now that they are working correctly