Bumping gaia.json for 2 gaia-central revision(s)

========

https://hg.mozilla.org/integration/gaia-central/rev/efd78e2f24c5
Author: Francisco Jordano <arcturus@ardeenelinfierno.com>
Desc: Merge pull request #11197 from AntonioMA/bug-896945_2

Bug 896945 Customize the open-app treatment based on the showApp and showOnly flags r=alive r=fabrice

========

https://hg.mozilla.org/integration/gaia-central/rev/4e46fd4d5cfd
Author: Antonio M. Amaya <amac@peregrin>
Desc: Bug 896945 Customize the open-app treatment based on the showApp and showOnly flags r=alive r=fabrice