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

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https://hg.mozilla.org/integration/gaia-central/rev/b108571404b1
Author: Zac <zcampbell@mozilla.com>
Desc: Merge pull request #14104 from askeing/943757

Bug 943757 - Fix test_sms_contact.TestContacts

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https://hg.mozilla.org/integration/gaia-central/rev/40600d04b374
Author: askeing <askeing@gmail.com>
Desc: Bug 943757 - Fix test_sms_contact.TestContacts