Bumping gaia.json for 1 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/bdda2c66cc23
Author: Rudy Lu <me@rudy.lu>
Desc: Revert "Merge pull request #22204 from RudyLu/keyboard/Bug1020779-bottom_keys_alignment"

This reverts commit 1dd9769ebfc90ce02dca843dedd3e8a173a0454c, reversing
changes made to cc5af5e8130ad81fda59b49d8213fbd67e1a0ddd.
Bumping manifests a=b2g-bump