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

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https://hg.mozilla.org/integration/gaia-central/rev/d580d431d821
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #23325 from benfrancis/1038726

Bug 1038726 - [User Story] Change Rocketbar input type to search

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https://hg.mozilla.org/integration/gaia-central/rev/6dd20fe8484e
Author: Ben Francis <ben@tola.me.uk>
Desc: Bug 1038726 - [User Story] Change Rocketbar input type to search
Bumping manifests a=b2g-bump