[CMake] Fix compiler-rt tests after r173617

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@173668 91177308-0d34-0410-b5e6-96231b3b80d8
[asan] two more internal flags for asan-rt: print_stats (0) and print_legend (1) 

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@173671 91177308-0d34-0410-b5e6-96231b3b80d8