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

========

https://hg.mozilla.org/integration/gaia-central/rev/033d182961f4
Author: BavarianTomcat <tomcat@mozilla.com>
Desc: Revert "Bug 1012544 - Always resize the homescreen if loaded when a software-button-change occurs." for failing mnw tests

This reverts commit 87421aa3321bb33d5f0a1a70fd8f9223c2c8f435.
Bumping manifests a=b2g-bump