PBAP: Fixes for proper working of filter functionality.

The change consists of fixes required for the filter to work properly.

Without this change the API isFilteredOut() was basically removing those
attributes which are set in the filter while the expected behaviour is other
way round, so renamed the API to isFilteredIn().
This patch also adds provision for filtering call log date and time when
it is not been asked as per the filter since it is not a mandatory attribute
as per the PBAP specification.
This patch also renames "NOTES" to "NOTE" which was incorrect property for
vcards.

Bug: 20077258
Change-Id: Ifbe57706b86031cbb9656556843da1bab700ef5d