tree 18bdf376ca37f70c9409366a447783a692fa83fb
parent 68a5a26411d18bba457942bf1ae4c2623cc4da74
author Christine Chen <christinech@google.com> 1369958049 -0700
committer Christine Chen <christinech@google.com> 1372456283 -0700

Add SmartDial database for the Dialer app.

- Creates a database helper to create a smartdial database for the Dialer app.
- Queries all rows in the Contact database and copies related columns to
  the smart dial database.
- Create another prefix database to contain all prefixes of a contact.
- During keypad input, the prefix databse is queried to find contact
  suggestions, and suggestions are ranked by the usage data and contact
  status (starred, primary contact, etc.)
- Created unit test for the SmartDial database insertion and prefix
  computing functions.

Change-Id: I4d7c3b3bcc52dd6efa4d6e69d3f1687c3abaeb69