Bumping gaia.json for 4 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/bc64c0e2f612
Author: Ryan VanderMeulen <rvandermeulen@mozilla.com>
Desc: Merge pull request #20393 from TheoChevalier/video-menu-l10n

Bug 1024239 - [video] New menu on video is not localized

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https://hg.mozilla.org/integration/gaia-central/rev/2c2ec2b79b95
Author: TheoChevalier <theo.chevalier11@gmail.com>
Desc: Bug 1024239 - [video] New menu on video is not localized

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https://hg.mozilla.org/integration/gaia-central/rev/70e1ea92e756
Author: Ryan VanderMeulen <rvandermeulen@mozilla.com>
Desc: Merge pull request #20357 from flodolo/bug1018042

Bug 1018042 - [Settings] Pass available size as number to l10n.js

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https://hg.mozilla.org/integration/gaia-central/rev/100d327447bc
Author: Francesco Lodolo (:flod) <flod@lodolo.net>
Desc: Bug 1018042 - [Settings] Pass available size as number to l10n.js
Bumping manifests a=b2g-bump