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

========

https://hg.mozilla.org/integration/gaia-central/rev/2ccf04147100
Author: Zibi Braniecki <zbigniew.braniecki@gmail.com>
Desc: Merge pull request #20987 from zbraniecki/1030094-block-systemdialog-on-l10n

Bug 1030094 - Block SIMLock UI and FXA UI on l10n being ready. r=ianliu

========

https://hg.mozilla.org/integration/gaia-central/rev/344598e43814
Author: Zbigniew Braniecki <gandalf@mozilla.com>
Desc: Bug 1030094 - Block simlock UI and FXA UI on l10n being ready
Bumping manifests a=b2g-bump