contacts: Add support for import contacts to local phone storage

This change allow to select the local storage account to add/import contacts
when others cloud/corporate accounts exists. If one or more account exists just
ask the user to select the destination account

Depends on: http://review.cyanogenmod.org/#/c/59353/

Change-Id: Ic055bdb09d037c2f2cdff06cd9a0159df87e2896
JIRA: CYAN-391
Issue: https://jira.cyanogenmod.org/browse/CYAN-391
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>