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

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https://hg.mozilla.org/integration/gaia-central/rev/0ce8987e0497
Author: ochameau <poirot.alex@gmail.com>
Desc: Merge pull request #10748 from ochameau/bug889384

Bug 889384 - Windows desktop B2G build failure during webapp.zip packaging. r=timdream

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https://hg.mozilla.org/integration/gaia-central/rev/f3a1dc43c83c
Author: Alexandre Poirot <poirot.alex@gmail.com>
Desc: Bug 889384 - Windows desktop B2G build failure during webapp.zip packaging.