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

========

https://hg.mozilla.org/integration/gaia-1_2/rev/32781fa2d053
Author: Rex KM Lee <rexboy@mozilla.com>
Desc: Merge pull request #14059 from rexboy7/fix-bug928597

Bug 928597 - [Dialer][CDMA] Show switch call text in proper font size(cherry picked from commit 77420f0568432a3ed236137e27caa8cd832eed8c)