chore(travis): Dump more information about the installed version of Google Chrome.

Closes dart-archive#717

Author: kasperl

scripts/travis/install.sh

@@ -9,6 +9,7 @@ sudo apt-get install libxss1
 
 if [[ $TESTS != "vm" ]]; then
   wget https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb;
+  dpkg -I google-chrome*.deb;
   sudo dpkg -i google-chrome*.deb;
   sudo chmod u+s /opt;
 fi