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

========

https://hg.mozilla.org/integration/gaia-central/rev/c5160555bd0d
Author: Jan Jongboom <janjongboom@gmail.com>
Desc: Merge pull request #24428 from comoyo/bug1072880

Bug 1072880 - Give a little bonus for candidates with zero correction. r=RudyL

========

https://hg.mozilla.org/integration/gaia-central/rev/353b7e568a53
Author: Jan Jongboom <janjongboom@gmail.com>
Desc: Bug 1072880 - Give a little bonus for candidates with zero correction
Bumping manifests a=b2g-bump