Bumping gaia.json for 2 gaia-central revision(s) a=gaia-bump
Truncated some number of revisions since the previous bump.

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https://hg.mozilla.org/integration/gaia-central/rev/711ae2e13d7e
Author: Trif Andrei-Alin <trifandreialin@gmail.com>
Desc: Merge pull request #14417 from zacc/bug_946665

Bug 946665 - Address intermittent test_keyboard.py with stronger wait in...

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https://hg.mozilla.org/integration/gaia-central/rev/a54c2e63f29a
Author: Zac Campbell <zcampbell@mozilla.com>
Desc: Bug 946665 - Address intermittent test_keyboard.by with stronger wait in contacts app object