Bumping gaia.json for 2 gaia-central revision(s)

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https://hg.mozilla.org/integration/gaia-central/rev/1f3f4a914e1a
Author: Andrew Sutherland <asutherland@asutherland.org>
Desc: Merge pull request #11651 from asutherland/email-fix-163.com

Bug 874348 - [Buri][Email]Failed to send and receive mail with 163 exchange account. r=asuth

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https://hg.mozilla.org/integration/gaia-central/rev/fb53a2e34382
Author: Andrew Sutherland <asutherland@asutherland.org>
Desc: Bug 874348 - [Buri][Email]Failed to send and receive mail with 163 exchange account. r=asuth

land https://github.com/mozilla-b2g/gaia-email-libs-and-more/pull/237