Improved debug message

Printed out polygon information

Test: Manual
Merged-In: I5b78d4494418f07dd0a4340c7ef4bd1e499af536
Change-Id: I5b78d4494418f07dd0a4340c7ef4bd1e499af536
(cherry picked from commit 3b6b57b6853af6e4965b8d267cf49bf0ec284aba)
1 file changed