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

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https://hg.mozilla.org/integration/gaia-central/rev/a3419fc057b6
Author: chirarobert <robert.chira@softvision.ro>
Desc: Merge pull request #25116 from viorelaioia/bug_1082437

Bug 1082437 - Add test_sms_semicolon_completes_the_entered_recipient.py ...

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https://hg.mozilla.org/integration/gaia-central/rev/5b6fbd7807bf
Author: Viorela Ioia <viorelaioia@gmail.com>
Desc: Bug 1082437 - Add test_sms_semicolon_completes_the_entered_recipient.py to the correct manifest file
Bumping manifests a=b2g-bump