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

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https://hg.mozilla.org/integration/gaia-central/rev/35579de49eba
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #21757 from KevinGrandon/bug_1038576_rocketbar_focus

Bug 1038576 - [Rocketbar] Swiping starting from Rocketbar should not invoke Rocketbar

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https://hg.mozilla.org/integration/gaia-central/rev/5cc600efff12
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1038576 - [Rocketbar] Swiping starting from Rocketbar should not invoke Rocketbar r=crdlc

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https://hg.mozilla.org/integration/gaia-central/rev/365545efbf5d
Author: J. Ryan Stinnett <jryans@gmail.com>
Desc: Merge pull request #21713 from jryans/multi-sockets

Bug 1033079 - Fix up DebuggerServer test after refactoring. r=janx

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https://hg.mozilla.org/integration/gaia-central/rev/71aa7cb88038
Author: J. Ryan Stinnett <jryans@gmail.com>
Desc: Bug 1033079 - Fix up DebuggerServer test after refactoring. r=janx
Bumping manifests a=b2g-bump