Bumping gaia.json for 3 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/683da6d984f8
Author: Ed Morley <emorley@mozilla.com>
Desc: Revert "Bug 1045523 - customize default window size of responsive web design" for build failures

This reverts commit 72b887d20811cbf00c080922c358738c9c9dd886.

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https://hg.mozilla.org/integration/gaia-central/rev/19d68aebc93d
Author: Jan Jongboom <janjongboom@gmail.com>
Desc: Merge pull request #22401 from comoyo/bug1046798

Bug 1046798 - Yield uppercase suggestions if input is uppercase. r=djf

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https://hg.mozilla.org/integration/gaia-central/rev/4aee9eac99a2
Author: Jan Jongboom <janjongboom@gmail.com>
Desc: Bug 1046798 - Yield uppercase suggestions if input is uppercase
Bumping manifests a=b2g-bump