Allow the provider to conditionally remove duplicate entries

Must be after Ie88af0c3d21919ca201f4fcdd46ca09e9f8d94c0, which
introduced the new flag for duplication removal.

With this change the default behavior for Phone uri will be back
to the behavior before Ie21abb12736715358dd33bc690269f51ae1e0944
being introduced.

Bug: 5484956
Change-Id: I3b6ba3956449520f9e08653fc8beead763a5f8a1
2 files changed