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/2ea34e8f4c8c
Author: AndreiH <andrei.hutusoru@gmail.com>
Desc: Merge pull request #13671 from bobsilverberg/bug932491

bug 932491 - Address intermittent errors in test_clock_set_alarm_snooze.py

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https://hg.mozilla.org/integration/gaia-1_2/rev/50dd7a2c3171
Author: Zac Campbell <zcampbell@mozilla.com>
Desc: bug 932491 - Address intermittent errors in test_clock_set_alarm_snooze.py