Bumping gaia.json for 2 gaia-1_2 revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-1_2/rev/ea6e7ed97ea6
Author: AndreiH <andrei.hutusoru@gmail.com>
Desc: Merge pull request #13812 from bobsilverberg/url_keyboard

Bug 926360 - Write a test to use the 'URL' keyboard

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https://hg.mozilla.org/integration/gaia-1_2/rev/1381cdf68552
Author: Jakub Jarosz <jakub.s.jarosz@gmail.com>
Desc: Bug 926360 - Write a test to use the 'URL' keyboard
Uplift to v1.2