Bumping gaia.json for 4 gaia-central revision(s) a=gaia-bump

========

https://hg.mozilla.org/integration/gaia-central/rev/632281497b31
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Merge pull request #11675 from KevinGrandon/bug_907907_contacts_lazy_dom

Bug 907907 contacts lazy dom

========

https://hg.mozilla.org/integration/gaia-central/rev/c3a150b1aaf9
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 907907 - Lazy load Contacts DOM nodes via HTML Import polyfill

========

https://hg.mozilla.org/integration/gaia-central/rev/7083d9d8263a
Author: Florin Strugariu <bebef_1987@yahoo.com>
Desc: Merge pull request #12394 from davehunt/bug916749

Bug 916749 - Bump gaiatest version to 0.14 r=zcampbell r=bebe

========

https://hg.mozilla.org/integration/gaia-central/rev/f28bb4a9e058
Author: Dave Hunt <dave.hunt@gmail.com>
Desc: Bug 916749 - Bump gaiatest version to 0.14. r=zcampbell