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

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https://hg.mozilla.org/integration/gaia-central/rev/4b023ea12541
Author: Michael Henretty <michael.henretty@gmail.com>
Desc: Merge pull request #22747 from mikehenrty/bug-1041902-cost-control-theme

Bug 1041902 - Add theme color for cost control

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https://hg.mozilla.org/integration/gaia-central/rev/35c4ae4502c9
Author: Michael Henretty <michael.henretty@gmail.com>
Desc: Bug 1041902 - Add theme color for cost control
Bumping manifests a=b2g-bump