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

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https://hg.mozilla.org/integration/gaia-central/rev/80345329b7a2
Author: gasolin <gasolin@gmail.com>
Desc: Merge pull request #22873 from gasolin/issue-1001312

Bug 1001312 - [meta] [Settings] Device Information UX update, r=eragon

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https://hg.mozilla.org/integration/gaia-central/rev/550ac8020b0f
Author: gasolin <gasolin@gmail.com>
Desc: Bug 1001312 - [meta] [Settings] Device Information UX update
Bumping manifests a=b2g-bump