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

========

https://hg.mozilla.org/integration/gaia-central/rev/469f4a743f4b
Author: Ryan VanderMeulen <rvandermeulen@mozilla.com>
Desc: Merge pull request #18388 from zbraniecki/994417-primaryinfo-tostring

Bug 994417 - Stringify an object before passing as placeable

========

https://hg.mozilla.org/integration/gaia-central/rev/a88e264f44c0
Author: Zbigniew Braniecki <gandalf@mozilla.com>
Desc: Bug 994417 - Stringify an object before passing as placeable
Bumping manifests a=b2g-bump
Bug 995109 - Don't handle |dataInfo.connected| in DataConnectionHandler. r=hsinyi
Bumping gaia.json for 2 gaia revision(s) a=gaia-bump

========

https://hg.mozilla.org/integration/gaia-central/rev/27357877d17b
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #18464 from KevinGrandon/bug_996968_homescreen_bookmark_tests

Bug 996968 - Intermittent gaia-integration TEST-UNEXPECTED-FAIL | Update bookmark on homescreen > Navigate to sample.html and bookmark it on homescreen

========

https://hg.mozilla.org/integration/gaia-central/rev/e3c60336bef0
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 996968 - Intermittent gaia-integration TEST-UNEXPECTED-FAIL | Update bookmark on homescreen > Navigate to sample.html and bookmark it on homescreen r=dwi2
Bumping manifests a=b2g-bump
Merge b-i to m-c