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

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https://hg.mozilla.org/integration/gaia-central/rev/207ea09faee3
Author: Miller Medeiros <miller@millermedeiros.com>
Desc: Merge pull request #20641 from millermedeiros/1023777-account-warning

Bug 1023777 - [B2G][Calendar] Account warning icon is bigger than it should r=gaye

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https://hg.mozilla.org/integration/gaia-central/rev/745db4eb1bc3
Author: Miller Medeiros <miller@millermedeiros.com>
Desc: Bug 1023777 - [B2G][Calendar] Account warning icon is bigger than it should
Bumping manifests a=b2g-bump