ContactsCommon : Address loader reset bug

If the loader is reset, the adapter partitions need to be cleared,
without it the app tries to access a closed cursor.

Reproduction steps :

Add to contacts
Type a two letters
Enjoy force-close

Change-Id: I76474724bd46512929306ba04a4d156a9b39d9f3
Merge branch 'cm-10.2' into martincz