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

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https://hg.mozilla.org/integration/gaia-central/rev/e82e1705b79c
Author: Jan Jongboom <janjongboom@gmail.com>
Desc: Merge pull request #14262 from comoyo/935904

Bug 935904 - Un-intermittent test in keyboard_manager. r=janjongboom

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https://hg.mozilla.org/integration/gaia-central/rev/4385b4636a48
Author: Jan Jongboom <janjongboom@gmail.com>
Desc: Bug 935904 - Un-intermittent test in keyboard_manager