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

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https://hg.mozilla.org/integration/gaia-central/rev/a08ec95a1863
Author: Jan Jongboom <janjongboom@gmail.com>
Desc: Merge pull request #10762 from comoyo/keyboard_selectionend_gaia

Bug 889347 - SelectionChange event doesn't bubble through in mozKeyboard. r=xyuan

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https://hg.mozilla.org/integration/gaia-central/rev/c2c684f4fec8
Author: Jan Jongboom <janjongboom@gmail.com>
Desc: Bug 889347 - SelectionChange event doesn't bubble through in mozKeyboard