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

========

https://hg.mozilla.org/integration/gaia-central/rev/6b043e9d825f
Author: Ryan VanderMeulen <rvandermeulen@mozilla.com>
Desc: Merge pull request #21515 from weigao123/Bug980217-master

Bug 980217 - [master] Make "Skip" and "OK" buttons show when entering SIM 2 PIN code. r=Alive

========

https://hg.mozilla.org/integration/gaia-central/rev/db297b7838b6
Author: wei.gao <wei.gao@spreadtrum.com>
Desc: Bug 980217 - [master] Make "Skip" and "OK" buttons show when entering SIM 2 PIN code. r=Alive
Bumping manifests a=b2g-bump