Bumping gaia.json for 1 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-1_3/rev/0fa351eb07a7
Author: Cristian Rodriguez <crdlc@tid.es>
Desc: Merge pull request #16488 from crdlc/bug-970835

Bug 970835 - [Contacts] The selection of contacts is slow AND scroll too...
(cherry picked from commit b2a2e8a7d61d9d585fdc8b2b0714080a3729dbe4)
Bumping manifests a=b2g-bump