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

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https://hg.mozilla.org/integration/gaia-central/rev/f0b97cd11eeb
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #25010 from KevinGrandon/bug_995687_mock_dump_insertion

Bug 995687 - Move DUMP overwriting to suiteSetup and suiteTeardown

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https://hg.mozilla.org/integration/gaia-central/rev/0957cd965522
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 995687 - Move DUMP overwriting to suiteSetup and suiteTeardown r=julienw
Bumping manifests a=b2g-bump