Bumping gaia.json for 3 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/9749f026d94f
Author: Mihai Cîrlănaru <mihai@cirlanaru.com>
Desc: Merge pull request #18259 from mihai/bug_995667

Bug 995667 - [FTU] Fix width for email input field at Browser Privacy step. r=@fcampo

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https://hg.mozilla.org/integration/gaia-central/rev/ae7411ef7f06
Author: Mihai Cirlanaru <mihai@cirlanaru.com>
Desc: Bug 995667 - [FTU] Fix width for email input field at Browser Privacy step. r=fcampo

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https://hg.mozilla.org/integration/gaia-central/rev/06739c4ecee5
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Revert "Bug 995432: simple continuous auto focus support"

This reverts commit aad7fc16bce9cbecd7d397fa8a7f1cc4d6b253ec.
Bumping manifests a=b2g-bump