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

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https://hg.mozilla.org/integration/gaia-central/rev/0939efa6437c
Author: Marcus Cavanaugh <m@mcav.com>
Desc: Merge pull request #15297 from mcav/clock-label-enter

Bug 946106 - [fugu][buri]pressing enter on the keyboard does not save alarm. r=mcav

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https://hg.mozilla.org/integration/gaia-central/rev/a10e15222fa8
Author: James Zhang <james.zhang@spreadtrum.com>
Desc: Bug 946106 - [fugu][buri]pressing enter on the keyboard does not save alarm. r=mcav