Add error injection for memcopy testcase
Add error injection for memcopy testcase

We can inject errors for intput buffer, output buffer, and associated sizes
DDCB injection is not possible.

ibm-genwqe/genwqe-user,ferseiti/genwqe-user,tblume/genwqe-user,ferseiti/genwqe-user,ibm-genwqe/genwqe-user,tblume/genwqe-user,ibm-genwqe/genwqe-user