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/010fd4451015
Author: Dominic Kuo <dkuo@mozilla.com>
Desc: Merge pull request #13460 from dominickuo/v1.2-bug-935326

Bug 935326 - [music] Handle the share button when the player is not launched by open activity, r=@jimporter

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https://hg.mozilla.org/integration/gaia-1_2/rev/e3bb98955df4
Author: Dominic Kuo <dkuo@mozilla.com>
Desc: Bug 935326 - [music] Handle the share button when the player is not launched by open activity