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

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https://hg.mozilla.org/integration/gaia-central/rev/1cc7a35ed979
Author: Francisco Jordano <arcturus@ardeenelinfierno.com>
Desc: Merge pull request #20389 from arcturus/bug-1015094

Bug 1015094 - [NFC][Contacts] Contact cannot updated via NFC more than twice r=jmcf

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https://hg.mozilla.org/integration/gaia-central/rev/a63ea6133890
Author: Francisco Jordano <arcturus@ardeenelinfierno.com>
Desc: Bug 1015094 - [NFC][Contacts] Contact cannot updated via NFC more than twice r=jmcf
Bumping manifests a=b2g-bump