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

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https://hg.mozilla.org/integration/gaia-central/rev/9e00f21315e4
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #15015 from KevinGrandon/bug_956393_suggestion_result_clear

Bug 956393 - [Search] Suggestions clear follow-up, add tests

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https://hg.mozilla.org/integration/gaia-central/rev/44837d6aed29
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 956393 - [Search] Suggestions clear follow-up, add tests