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

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https://hg.mozilla.org/integration/gaia-central/rev/a6b81f7d4b84
Author: Rudy Lu <left.lu@gmail.com>
Desc: Merge pull request #11480 from leob2g/Bug_904009-keyboard_layout_changes_to_lowercase_even_when_the_capslock__ON

Bug_904009-[keyboard]The keyboard layout changes to lowercase even when the CapsLock is ON. r=rudylu

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https://hg.mozilla.org/integration/gaia-central/rev/f966614bc6db
Author: sarath27.vs <sarath27.vs@lge.com>
Desc: Bug_904009-[keyboard]The keyboard layout changes to lowercase even when the CapsLock is ON