Stop using a cached value for auto_add trigger

Trigger must not use the value cached when it is created.

TESTED:
- upgrade a phone device from GB to ICS and see default_directory
  works fine
- remove Contacts database, sync with Google account in ICS, and see
  all default contacts are shown (bug 5174433)
- do factory reset, set up the device with a Google account, and see
  all default contacts are shown

Bug: 5174433
Change-Id: If554b7eba4acfcf7a79309b998ec05e8557da397
1 file changed