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

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https://hg.mozilla.org/integration/gaia-central/rev/9c3a4beb0c7c
Author: Arthur Chen <crh0716@gmail.com>
Desc: Merge pull request #23602 from crh0716/1061391

Bug 1061391 - Remove the button of clear browsing data r=eragonj

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https://hg.mozilla.org/integration/gaia-central/rev/aad0b9b0d558
Author: Arthur Chen <crh0716@gmail.com>
Desc: Bug 1061391 - Remove the button of clear browsing data
Bumping manifests a=b2g-bump