Add user type to 'user list -v' output

Shows the user type in the verbose user list.

For convenient readability, the phrase 'android.os.usertype.' is
stripped from the output. So, e.g.,
type=android.os.usertype.full.GUEST
will appear as
type=full.GUEST

Test: adb shell cmd user list -v
Change-Id: I87b03b74c8ca2d83a609822597b3c80a178827be