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

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https://hg.mozilla.org/integration/gaia-central/rev/f82b8beab4ea
Author: Salvador de la Puente González <neo.salvador@gmail.com>
Desc: Merge pull request #24849 from marshall/bug1064491_smartDataUsageTotal

Bug 1064491: Request per-app data usage after first requesting total data usage
r=salva

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https://hg.mozilla.org/integration/gaia-central/rev/43a6de6f758d
Author: Marshall Culpepper <marshall@mozilla.com>
Desc: Bug 1064491: Request per-app data usage after first requesting total data usage. r=salva
Bumping manifests a=b2g-bump