Bumping gaia.json for 1 gaia-central revision(s)

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https://hg.mozilla.org/integration/gaia-central/rev/5adcd0d23ab9
Author: Rudy Lu <left.lu@gmail.com>
Desc: Bug 911661 - sync up Gaia element naming with Gaia-ui-tests for keyboard
frames. r=me

This reverts commit 2acb6405c5b986a64f4386a18719b2799f5bff6e.