defaultHitTestChildren should return whether it hit something
defaultHitTestChildren should return whether it hit something

Some clients want to know whether they hit their children.

aghassemi/flutter,Hixie/flutter,flutter/flutter,cbracken/flutter,tvolkert/flutter,Hixie/flutter,tvolkert/flutter,tvolkert/flutter,tvolkert/flutter,turnidge/flutter,cbracken/flutter,flutter/flutter,turnidge/flutter,Hixie/flutter,tvolkert/flutter,aghassemi/flutter,aghassemi/flutter,Hixie/flutter,tvolkert/flutter,flutter/flutter,Hixie/flutter,Hixie/flutter,tvolkert/flutter,Hixie/flutter,flutter/flutter,turnidge/flutter,tvolkert/flutter,jason-simmons/flutter,flutter/flutter,jason-simmons/flutter,cbracken/flutter,jason-simmons/flutter,tvolkert/flutter,cbracken/flutter,flutter/flutter,cbracken/flutter,Hixie/flutter,jason-simmons/flutter,turnidge/flutter,tvolkert/flutter,flutter/flutter,cbracken/flutter,turnidge/flutter,flutter/flutter,flutter/flutter,cbracken/flutter,Hixie/flutter,cbracken/flutter,flutter/flutter,Hixie/flutter,cbracken/flutter,cbracken/flutter,aghassemi/flutter