am c1f5ae26: Log if a user clicked on a link from voice search results.

Merge commit 'c1f5ae26d76a49e6bac9f3224ddb14eee74d4974' into gingerbread-plus-aosp

* commit 'c1f5ae26d76a49e6bac9f3224ddb14eee74d4974':
  Log if a user clicked on a link from voice search results.