Bug 1026473 - [Contacts][Refactor] Implement the Global Contacts Datastore data management module
Bug 1035442 - Split up collections tests r=amirn
Merge pull request #21467 from KevinGrandon/bug_1035442_collection_tests_split

Bug 1035442 - Split up collections tests
Merge pull request #21178 from jmcanterafonseca/global_contacts

Bug 1026473 - [Contacts][Refactor] Implement the Global Contacts Datasto...