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

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https://hg.mozilla.org/integration/gaia-central/rev/63b4319c2ac6
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #25988 from KevinGrandon/bug_1096035_usage_debug_line_break

Bug 1096035 - [Usage] Add linebreak to debug() function

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https://hg.mozilla.org/integration/gaia-central/rev/0b7cfe8e29e3
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1096035 - [Usage] Add linebreak to debug() function r=salva
Bumping manifests a=b2g-bump