Add new apis to CP2

Add Data.Contactables.CONTENT_URI and CONTENT_FILTER_URI
Querying against these uris return email addresses and phone numbers
belonging to all contacts with email/address/names that match the filter
(if provided).
Add VISIBLE_CONTACTS_ONLY boolean parameters to Data

Bug: 8123918

Change-Id: I491cb2ff4c64c9d042d5e21cebc5f90d086c70ac
2 files changed