Bumping gaia.json for 2 gaia-central revision(s)

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https://hg.mozilla.org/integration/gaia-central/rev/c18a9987518a
Author: Dale  Harvey <dale@arandomurl.com>
Desc: Merge pull request #10390 from gasolin/issue-853349

Issue 853349 - [camera] open with record mode when trigger camera with record/pick activity by video type. r=daleharvey

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https://hg.mozilla.org/integration/gaia-central/rev/e4d3dc707fae
Author: gasolin <gasolin@gmail.com>
Desc: Bug 853349 - [camera] open in record mode when trigger camera with record activity by video type