Bumping gaia.json for 2 gaia-1_3 revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-1_3/rev/790ca935ade4
Author: Florin Strugariu <bebef_1987@yahoo.com>
Desc: Merge pull request #15203 from viorelaioia/bug_958526

Bug 958526 - [v1.3] Test_SMS.test_send_sms is failing

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https://hg.mozilla.org/integration/gaia-1_3/rev/bd7b07c22755
Author: AlinT <trifandreialin@gmail.com>
Desc: Bug 958526 - (master) Test_SMS.test_send_sms is failing