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

========

https://hg.mozilla.org/integration/gaia-central/rev/1f1a27cb86ec
Author: Zac <zcampbell@mozilla.com>
Desc: Merge pull request #13379 from AndreiH/bug934941

Bug 934941 - Xfail test_sms and test_sms_with_attachments

========

https://hg.mozilla.org/integration/gaia-central/rev/65f8ff5adf0d
Author: Andrei Hutusoru <andreihutusoru@P5069.(none)>
Desc: Bug 934941 - Xfail test_sms and test_sms_with_attachments