Confidential checker toString and generics fixes#5

Abhishek1152 wants to merge 1 commit intoiywang2016:iywangiywang2016/checker-framework:iywangfrom

Abhishek1152:confidential-checker-tostring-generics-fixAbhishek1152/checker-framework:confidential-checker-tostring-generics-fixCopy head branch name to clipboard