am f57324cf: Add getSipUri() for identification.

Merge commit 'f57324cf4f82947296f4d1acb9df1f3c9c03134e' into gingerbread-plus-aosp

* commit 'f57324cf4f82947296f4d1acb9df1f3c9c03134e':
  Add getSipUri() for identification.