Bumping gaia.json for 1 gaia-1_3 revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-1_3/rev/886196b17847
Author: mpizza <mmm198219@gmail.com>
Desc: Revert "Merge pull request #14831 from mpizza/Bug_937487_handle_activity"

This reverts commit 984223b294384d7c512755f395dc5f0bb9665455.