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

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https://hg.mozilla.org/integration/gaia-central/rev/1d71d406d7fe
Author: George <georgeiscoming@gmail.com>
Desc: Merge pull request #11380 from cctuan/896934

Bug 896934 - [Settings] Listen new system message for Bluetooth pairing requests in connectivity.js

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https://hg.mozilla.org/integration/gaia-central/rev/2a769b49413e
Author: cctuan <georgeiscoming@gmail.com>
Desc: Bug 896934 - [Settings] Listen new system message for Bluetooth pairing requests in connectivity.js