am 7d26cd19: Add an activity to Dev Tools that shows the Configuration and DisplayMetrics.

Merge commit '7d26cd198266cd48cb0a912585419fbe0cc8ed89' into gingerbread-plus-aosp

* commit '7d26cd198266cd48cb0a912585419fbe0cc8ed89':
  Add an activity to Dev Tools that shows the Configuration and DisplayMetrics.