Bumping gaia.json for 1 gaia revision(s) a=gaia-bump

========

https://hg.mozilla.org/integration/gaia-2_1/rev/0606c534ba94
Author: Fernando Campo <fernando.campo@telefonica.com>
Desc: Bug 1079772 - [Contact] Import contact- label description does not align properly
Bumping manifests a=b2g-bump