[CMake] Fixing LLVM_INCLUDE_TESTS for runtimes directory

We need to explicitly pass LLVM_INCLUDE_TESTS through from the top-level to the runtimes configuration because it isn't in LLVMConfig.cmake

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@279857 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed