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

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https://hg.mozilla.org/integration/gaia-central/rev/b697a6dec6d7
Author: Marcus Cavanaugh <m@mcav.com>
Desc: Merge pull request #18763 from mcav/smto-password

Bug 1002658 - E-mail application sends IMAP password for SMTP. r=asuth

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https://hg.mozilla.org/integration/gaia-central/rev/6944c5766675
Author: Marcus Cavanaugh <m@mcav.com>
Desc: Bug 1002658 - E-mail application sends IMAP password for SMTP. r=asuth
Bumping manifests a=b2g-bump