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

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https://hg.mozilla.org/integration/gaia-central/rev/a63dd3333e5f
Author: Alive.Kuo <alegnadise@gmail.com>
Desc: Merge pull request #13965 from svic/rebase-master-d1bea461-NfcManager

Bug 860910: NFC Manager routes NDEF (NFC Data Exchange Format) messages to and from the NFC hardware. r=alive

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https://hg.mozilla.org/integration/gaia-central/rev/58cb734f74e0
Author: Garner Lee <garner.lee@telekom.com>
Desc: Bug 860910: NFC Manager routes NDEF (NFC Data Exchange Format) messages to and from the
NFC hardware.

- Currently supports NDEF read/writes.
- Integration with Shrink UI is pending UI patch.