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

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https://hg.mozilla.org/integration/gaia-central/rev/22b2e88aaaa1
Author: Cristian Rodriguez <crdlc@tid.es>
Desc: Merge pull request #21094 from crdlc/bug-1029730

Bug 1029730 - (vertical-homescreen) Search field width changes slightly ...

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https://hg.mozilla.org/integration/gaia-central/rev/9361ed57decd
Author: crdlc <crdlc@tid.es>
Desc: Bug 1029730 - (vertical-homescreen) Search field width changes slightly when invoked
Bumping manifests a=b2g-bump