Bumping gaia.json for 2 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/073ac4ed9b6d
Author: Bob Silverberg <bob.silverberg@gmail.com>
Desc: Merge pull request #14210 from AlinT/bug_943337_v1.2

Bug 943337 - Merge all 2 kill cards view tests into one.

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https://hg.mozilla.org/integration/gaia-1_2/rev/33db77b11c93
Author: AlinT <trifandreialin@gmail.com>
Desc: Bug 943337 - Merge all 2 kill cards view tests into one.