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

========

https://hg.mozilla.org/integration/gaia-central/rev/dd725f000541
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Merge pull request #25022 from jmcanterafonseca/contacts_datastore.js

Bug 1081082 - [Contacts] [Data Refactor] Provide a convenient way for pr...

========

https://hg.mozilla.org/integration/gaia-central/rev/0bc45ede4966
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Bug 1081082 - [Contacts] [Data Refactor] Provide a convenient way for providers to get access to their 'contacts' datasore

========

https://hg.mozilla.org/integration/gaia-central/rev/7d5fdd9b817b
Author: chirarobert <robert.chira@softvision.ro>
Desc: Merge pull request #25023 from viorelaioia/bug_1080557

Bug 1080557 - Update test_browser_bookmark.py to delete the bookmark add...

========

https://hg.mozilla.org/integration/gaia-central/rev/7f9d7e7c91e0
Author: Viorela Ioia <viorelaioia@gmail.com>
Desc: Bug 1080557 - Update test_browser_bookmark.py to delete the bookmark added
Bumping manifests a=b2g-bump