Bumping gaia.json for 2 gaia-1_3 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_3/rev/c6ef0931f86e
Author: Malini Das <thehyperballad@gmail.com>
Desc: Merge pull request #14717 from malini/v1.3

Uplift changes for Bug 925398 (includes Bug 945284, Bug 947001)

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https://hg.mozilla.org/integration/gaia-1_3/rev/dd94d5cb3691
Author: Malini Das <mdas@mozilla.com>
Desc: Uplift changes for Bug 925398 (includes Bug 945284, Bug 947001)