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

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https://hg.mozilla.org/integration/gaia-2_1/rev/b675d292e834
Author: Guillaume Marty <edo999@gmail.com>
Desc: Revert "Bug 1082935 - Fixing scope problem with bluetooth transfer device name"

This reverts commit 360929f939f69746945e7d32ce5b2b215ab495c3.
Bumping manifests a=b2g-bump