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

========

https://hg.mozilla.org/integration/gaia-central/rev/acd69b5504e8
Author: Timothy Guan-tin Chien <timdream@gmail.com>
Desc: Merge pull request #26218 from timdream/input-mgmt-dynamic

Bug 1094559 - Implement DynamicInputRegistry, r=mnjul

========

https://hg.mozilla.org/integration/gaia-central/rev/11ca68edd3b2
Author: Timothy Guan-tin Chien <timdream@gmail.com>
Desc: Bug 1094559 - Implement DynamicInputRegistry
Bumping manifests a=b2g-bump