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

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https://hg.mozilla.org/integration/gaia-central/rev/149e0ea520be
Author: Ryan VanderMeulen <rvandermeulen@mozilla.com>
Desc: Merge pull request #13891 from EdgarChen/bug_940297

Bug 940297 - [Gaia] There is no 'absent' cardState in New IccManager's API

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https://hg.mozilla.org/integration/gaia-central/rev/b5e6d3b69098
Author: Edgar Chen <echen@mozilla.com>
Desc: Bug 940297 - There is no 'absent' cardState in New IccManager's API