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

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https://hg.mozilla.org/integration/gaia-central/rev/13eb2abc198a
Author: Ryan VanderMeulen <rvandermeulen@mozilla.com>
Desc: Revert "Merge pull request #20556 from mcjimenez/bug1020158"

This reverts commit 06ea932d52fa5ec36285428c04ad6c7fdc413659, reversing
changes made to de4a53efe95f84e7f658d832d39ba2046448c3c8.
Bumping manifests a=b2g-bump