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

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https://hg.mozilla.org/integration/gaia-central/rev/065928b644b1
Author: Germán Toro del Valle <gtorodelvalle@gmail.com>
Desc: Merge pull request #16946 from gtorodelvalle/contact-bug-972060-add-phone-to-facebook-contact

Bug 972060 - [B2G][Dialer][Contacts] Imported Facebook contact does not show existing phone number when adding information via Dialer app

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https://hg.mozilla.org/integration/gaia-central/rev/083939bdebe4
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Bug 972060 - [B2G][Dialer][Contacts] Imported Facebook contact does not show existing phone number when adding information via Dialer app
Bumping manifests a=b2g-bump