Bumping gaia.json for 3 gaia-central revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/098f99ff8b33
Author: TheoChevalier <theo.chevalier11@gmail.com>
Desc: Bug 950465 - [Clock][l12y] Snooze is reused in different contexts

r=jugglinmike

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https://hg.mozilla.org/integration/gaia-central/rev/475dee5412c8
Author: Florin Strugariu <bebef_1987@yahoo.com>
Desc: Merge pull request #14707 from AndreiH/bug947957

Bug 947957 - Enable test_quick_settings.py on Travis and TBPL

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https://hg.mozilla.org/integration/gaia-central/rev/94721f4a3c97
Author: Andrei Hutusoru <andreihutusoru@P5069.(none)>
Desc: Bug 947957 - Enable test_quick_settings.py on Travis and TBPL