Bumping gaia.json for 4 gaia-1_2 revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-1_2/rev/2442dc1b26de
Author: Florin Strugariu <bebef_1987@yahoo.com>
Desc: Merge pull request #13315 from bobsilverberg/cp922702

Bug 922702 - Investigate test_connect_to_wifi_via_settings_app

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https://hg.mozilla.org/integration/gaia-1_2/rev/ed094e2b194a
Author: Bebe <bebe@mozilla.ro>
Desc: Bug 922702 - Investigate test_connect_to_wifi_via_settings_app

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https://hg.mozilla.org/integration/gaia-1_2/rev/93c021aca100
Author: Florin Strugariu <bebef_1987@yahoo.com>
Desc: Merge pull request #13312 from bobsilverberg/v1.2camera

Bug 924880 - Need an extra wait in test_unlock_to_camera_with_passcode

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https://hg.mozilla.org/integration/gaia-1_2/rev/d28de6128159
Author: Andrei Hutusoru <andreihutusoru@P5069.(none)>
Desc: Bug 924880 - Need an extra wait in test_unlock_to_camera_with_passcode