Bumping gaia.json for 2 gaia revision(s) a=gaia-bump

========

https://hg.mozilla.org/integration/gaia-central/rev/02e996a4c33b
Author: Staś Małolepszy <stas@mozilla.com>
Desc: Merge pull request #22038 from stasm/1030334-early-mo

Bug 1030334 - Initialize the MO when DOM is interactive. r=gandalf

========

https://hg.mozilla.org/integration/gaia-central/rev/2288b0d948ab
Author: Staś Małolepszy <stas@mozilla.com>
Desc: Bug 1030334 - Initialize the MO when DOM is interactive. r=gandalf
Bumping manifests a=b2g-bump