[CMake] Support running libc++abi tests in CrossWinToARMLinux cache file

[broadwaylamb]

Summary

Now that D71894 has landed, we're able to run libc++abi tests remotely.

For that we can use the same CMake command as before. The tests can be run using ninja check-cxxabi.

[vvereschaka]

LGTM

clang/cmake/caches/CrossWinToARMLinux.cmake

 set(LIBUNWIND_ENABLE_SHARED                 OFF CACHE BOOL "")
 
 set(LIBCXXABI_USE_LLVM_UNWINDER             ON CACHE BOOL "")
 set(LIBCXXABI_ENABLE_STATIC_UNWINDER        ON CACHE BOOL "")
 set(LIBCXXABI_USE_COMPILER_RT               ON CACHE BOOL "")
 set(LIBCXXABI_ENABLE_NEW_DELETE_DEFINITIONS OFF CACHE BOOL "")
 set(LIBCXXABI_TARGET_TRIPLE                 "${CMAKE_C_COMPILER_TARGET}" CACHE STRING "")
 set(LIBCXXABI_SYSROOT                       "${DEFAULT_SYSROOT}" CACHE STRING "")
+set(LIBCXXABI_LINK_TESTS_WITH_SHARED_LIBCXXABI OFF CACHE BOOL "")
+set(LIBCXXABI_LINK_TESTS_WITH_SHARED_LIBCXX    OFF CACHE BOOL "")
 
 set(LIBCXX_USE_COMPILER_RT                  ON CACHE BOOL "")
 set(LIBCXX_TARGET_TRIPLE                    "${CMAKE_C_COMPILER_TARGET}" CACHE STRING "")
 set(LIBCXX_SYSROOT                          "${DEFAULT_SYSROOT}" CACHE STRING "")
+set(LIBCXX_ENABLE_SHARED                    OFF CACHE BOOL "")
 
 set(BUILTINS_CMAKE_ARGS                     "-DCMAKE_SYSTEM_NAME=Linux;-DCMAKE_AR=${CMAKE_AR}" CACHE STRING "")
 set(RUNTIMES_CMAKE_ARGS                     "-DCMAKE_SYSTEM_NAME=Linux;-DCMAKE_AR=${CMAKE_AR}" CACHE STRING "")
 
 # Remote test configuration.
 if(DEFINED REMOTE_TEST_HOST)
   set(DEFAULT_TEST_EXECUTOR                 "SSHExecutor('${REMOTE_TEST_HOST}', '${REMOTE_TEST_USER}')")
   set(DEFAULT_TEST_TARGET_INFO              "libcxx.test.target_info.LinuxLocalTI")