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

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https://hg.mozilla.org/integration/gaia-central/rev/b22a32d2a4b2
Author: Michael Henretty <michael.henretty@gmail.com>
Desc: Merge pull request #23790 from lissyx/bug1010415

Bug 1010415 - Fix notification node removal in marionette test

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https://hg.mozilla.org/integration/gaia-central/rev/5ddaf17d376f
Author: Alexandre Lissy <lissyx+github@lissyx.dyndns.org>
Desc: Bug 1010415 - Fix notification node removal in marionette test r=mhenretty
Bumping manifests a=b2g-bump