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

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https://hg.mozilla.org/integration/gaia-central/rev/0afecc884b5b
Author: gitmai <mri@tid.es>
Desc: Merge pull request #18665 from gitmai/bug-968087-simplify-startup

Bug 968087 -[Cost Control] Refactor and simplify Cost Control start-up p...
r=salva

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https://hg.mozilla.org/integration/gaia-central/rev/05fc62c63691
Author: mai <mri@tid.es>
Desc: Bug 968087 -[Cost Control] Refactor and simplify Cost Control start-up process
Bumping manifests a=b2g-bump