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

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https://hg.mozilla.org/integration/gaia-2_0/rev/9b3ca4ab3364
Author: Ryan VanderMeulen <rvandermeulen@mozilla.com>
Desc: Revert "Merge pull request #25643 from mancas/bug956902"

This reverts commit 5f3126b10569f4f252b2babfba5442b66605740b, reversing
changes made to cebd567d0de3755e2bddbc07a7721a7c67ca6eb6.
Bumping manifests a=b2g-bump