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

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https://hg.mozilla.org/integration/gaia-central/rev/6d0fbcfca3a1
Author: Timothy Guan-tin Chien <timdream@gmail.com>
Desc: Merge pull request #13418 from timdream/keyboard-entry-point

Bug 930371 - Use "inputs" instead of "entry_points" in keyboard app manifest, r=rudyl

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https://hg.mozilla.org/integration/gaia-central/rev/bee6501b0e19
Author: Timothy Guan-tin Chien <timdream@gmail.com>
Desc: Bug 930371 - Use "inputs" instead of "entry_points" in keyboard app manifest