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

========

https://hg.mozilla.org/integration/gaia-1_2/rev/0c310791efd7
Author: Cristian Rodriguez <crdlc@tid.es>
Desc: Merge pull request #14594 from evelynhung/issue-943317-v1.2

Bug 943317 - add a timer for expiring disableTap

========

https://hg.mozilla.org/integration/gaia-1_2/rev/a74d57288434
Author: Evelyn Hung <jj.evelyn@gmail.com>
Desc: Bug 943317 - add a timer for expiring disableTap