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

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https://hg.mozilla.org/integration/gaia-central/rev/2cc9c184ea64
Author: Wilson Page <wilsonpage@me.com>
Desc: Merge pull request #17973 from wilsonpage/bug/990606

Bug 990606 - [Camera][Madai][l10n] Improve l10n for Camera Settings

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https://hg.mozilla.org/integration/gaia-central/rev/3c1e28461881
Author: Wilson Page <wilsonpage@me.com>
Desc: Bug 990606 - [Camera][Madai][l10n] Improve l10n for Camera Settings
Bumping manifests a=b2g-bump