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

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https://hg.mozilla.org/integration/gaia-central/rev/fd46a1d43d56
Author: Florin Strugariu <bebef_1987@yahoo.com>
Desc: Merge pull request #16950 from zacc/bug_973598

Bug 973598 - Add get_all_sms, add debug into test_sms_notification.

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https://hg.mozilla.org/integration/gaia-central/rev/aaf2defc7253
Author: Zac Campbell <zcampbell@mozilla.com>
Desc: Bug 973598 - Add get_all_sms, add debug into test_sms_notification.
Bumping manifests a=b2g-bump