Bumping gaia.json for 4 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-2_1/rev/17cb582d0fd6
Author: viorelaioia <viorela.ioia@softvision.ro>
Desc: Merge pull request #23723 from chirarobert/unxfail_bluetooth

Bug 1062914 - [v2.1] Unxfail test_settings_bluetooth.py since Bug 106110...

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https://hg.mozilla.org/integration/gaia-2_1/rev/04fcfda85007
Author: Robert Chira <robertchira@P5075.(none)>
Desc: Bug 1062914 - [v2.1] Unxfail test_settings_bluetooth.py since Bug 1061107 is fixed

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https://hg.mozilla.org/integration/gaia-2_1/rev/bc6cb3a0d265
Author: Florin Strugariu <bebef_1987@yahoo.com>
Desc: Merge pull request #23722 from chirarobert/sett_root_v2.1

Bug 1062891 - [v2.2][v2.1] Fix test_settings_root.py

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https://hg.mozilla.org/integration/gaia-2_1/rev/0f88054c962c
Author: Robert Chira <robertchira@P5075.(none)>
Desc: Bug 1062891 - [v2.2][v2.1] Fix test_settings_root.py
Bumping manifests a=b2g-bump