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

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https://hg.mozilla.org/integration/gaia-central/rev/ced3062ac363
Author: gasolin <gasolin@gmail.com>
Desc: Merge pull request #21906 from gasolin/issue-1022506

Bug 1022506 - Search results app uses a white icon, rather than a dedica..., r=kgrandon

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https://hg.mozilla.org/integration/gaia-central/rev/7da5adf6f9fe
Author: gasolin <gasolin@gmail.com>
Desc: Bug 1022506 - Search results app uses a white icon, rather than a dedicated nicer looking app icon
Bumping manifests a=b2g-bump