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

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https://hg.mozilla.org/integration/gaia-central/rev/3ae4be4e346f
Author: gasolin <gasolin@gmail.com>
Desc: Merge pull request #14961 from kumarrishav/issue-944286

Bug 944286 [UITEST] add Send sms activity, r=gasolin

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https://hg.mozilla.org/integration/gaia-central/rev/09dabec3cca4
Author: kumarrishav <reactiverishav007@gmail.com>
Desc: Bug 944286 [UITEST] add Send sms activity - bug fixed