Set the default value of ROCM_HEADER_WRAPPER_WERROR to OFF

Using wrapper header files will result in #warning message by default

Change-Id: I87739cabb365b9370b1182cf23ca9b54d99149c3

runtime/hsa-runtime/CMakeLists.txt

@@ -323,7 +323,7 @@ if(INCLUDE_PATH_COMPATIBILITY)
           set(ROCM_HEADER_WRAPPER_WERROR "$ENV{ROCM_HEADER_WRAPPER_WERROR}"
                   CACHE STRING "Header wrapper warnings as errors.")
       else()
-          set(ROCM_HEADER_WRAPPER_WERROR "ON" CACHE STRING "Header wrapper warnings as errors.")
+          set(ROCM_HEADER_WRAPPER_WERROR "OFF" CACHE STRING "Header wrapper warnings as errors.")
       endif()
   endif()
   if(ROCM_HEADER_WRAPPER_WERROR)