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

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https://hg.mozilla.org/integration/gaia-central/rev/3809aef40863
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #24026 from KevinGrandon/bug_1066206_search_web_result_bookmark

Bug 1066206 - [Search] When user tried to add a Rocketbar result to the homescreen the page opens silently in the background

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https://hg.mozilla.org/integration/gaia-central/rev/463f5ec18235
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1066206 - [Search] When user tried to add a Rocketbar result to the homescreen the page opens silently in the background r=alive
Bumping manifests a=b2g-bump