Bumping gaia.json for 2 gaia-central revision(s)

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https://hg.mozilla.org/integration/gaia-central/rev/67799bb1452a
Author: Jan Jongboom <janjongboom@gmail.com>
Desc: Merge pull request #11782 from comoyo/keyboard_settings

Bug 906598 - Move Keyboard settings into app itself. r=RudyL

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https://hg.mozilla.org/integration/gaia-central/rev/0a09d4b39e75
Author: Jan Jongboom <janjongboom@gmail.com>
Desc: Bug 906598 - Move Keyboard settings into app itself