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

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https://hg.mozilla.org/integration/gaia-central/rev/22bd516a12d9
Author: Pavel Ivanov <pivanov@mozilla.com>
Desc: Merge pull request #14516 from pivanov/bug-946112

Bug 946112 - [FTE] Fix alignment of toggle

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https://hg.mozilla.org/integration/gaia-central/rev/f5a475c6c6d9
Author: Pavel Ivanov <pivanov@mozilla.com>
Desc: Bug 946112 - [FTE] Fix alignment of toggle