Bumping gaia.json for 1 gaia-1_2 revision(s) a=gaia-bump
Truncated some number of revisions since the previous bump.

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https://hg.mozilla.org/integration/gaia-1_2/rev/0ca1c30f6c8a
Author: Etienne Segonzac <etienne@segonzac.info>
Desc: Merge pull request #13080 from Rik/tabbar-overlays-modals-924256

Bug 924256 - The bottom panel tabbar overlays MMI screen and phone suggestion r=etienne
(cherry picked from commit 52e1117a8e9104e42725a095931ad228d26ea13a)