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/79115b1dd172
Author: GaryChen(pychen) <mmm198219@gmail.com>
Desc: Merge pull request #14293 from mpizza/Bug_941567_v1.2

Bug 941567 - [Keyboard][V1.2] The keyboard name of notification bar is i...
(cherry picked from commit fc3ef53)

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https://hg.mozilla.org/integration/gaia-1_2/rev/3176594e7798
Author: mpizza <mmm198219@gmail.com>
Desc: Bug 941567 - [Keyboard][V1.2] The keyboard name of notification bar is incorrect
     -- since keyboard show timing is depends on 'mozbrowserresize' event,
        so call 'showIMESwitcher' in the end of 'resizeKeyboard'
        to make sure refresh latest information at each time while keyboard layout is chnaged.
     -- ignore mozbrowserresize event while keyboard Frame is hidding.