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

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https://hg.mozilla.org/integration/gaia-central/rev/887628bfdd55
Author: Ran Ben Aharon <ran@everything.me>
Desc: Merge pull request #13617 from EverythingMe/935845-ime-composition

Bug 935845 - E.me search box does not start search with IME composed strings [r=crdlc,evyatron]

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https://hg.mozilla.org/integration/gaia-central/rev/04c0aa7484f6
Author: Ran Ben Aharon <ran@ranbena.com>
Desc: Bug 935845 - E.me search box does not start search with IME composed strings [r=crdlc,evyatron]