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

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https://hg.mozilla.org/integration/gaia-central/rev/05fddcec74d3
Author: AndreiH <andrei.hutusoru@softvision.ro>
Desc: Merge pull request #16835 from bebef1987/sms_contact

Bug 948472 - Test for Bug 938219: "add to an existing contact" activity

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https://hg.mozilla.org/integration/gaia-central/rev/98f9f86d6a7d
Author: Bebe <bebe@mozilla.ro>
Desc: Bug 948472 - Test for Bug 938219: "add to an existing contact" activity
Bumping manifests a=b2g-bump