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

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https://hg.mozilla.org/integration/gaia-central/rev/166023c341cc
Author: Timothy Guan-tin Chien <timdream@gmail.com>
Desc: Merge pull request #13125 from askeing/bug_912010

Bug 912010 - [Gaia-UI-Test] Wait for keyboard key element before finding the element, r=wachen

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https://hg.mozilla.org/integration/gaia-central/rev/dd2d0af273d5
Author: askeing <askeing@gmail.com>
Desc: Bug 912010 - [Keyboard][V1.2] Default Keyboard when all keyboards are de-selected