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

========

https://hg.mozilla.org/integration/gaia-2_0/rev/7b22a4923eb7
Author: Zac <zcampbell@mozilla.com>
Desc: Merge pull request #21682 from zacc/bug_1020166_v2.0

Bug 1020166 - Update test_mmi.py/test_settings_device_info to handle new...

========

https://hg.mozilla.org/integration/gaia-2_0/rev/9d0ef2fdd992
Author: Zac <zcampbell@mozilla.com>
Desc: Bug 1020166 - Update test_mmi.py/test_settings_device_info to handle new test data structure/dual imei
Bumping manifests a=b2g-bump