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

========

https://hg.mozilla.org/integration/gaia-central/rev/c10c02db2a8a
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 999244 - Disable intermittent failing homescreen bookmark tests
Bumping manifests a=b2g-bump