[libc][fix] Also remove the headers for the other flags

Summary:
This patch makes this only apply to the GPU build. This should be
handled more intelligently in the future so it's common between all of t
hem.

Author: jhuber6

libc/test/UnitTest/CMakeLists.txt

@@ -27,7 +27,7 @@ add_library(
 
 foreach(lib LibcUnitTest LibcHermeticTest)
   target_include_directories(${lib} PUBLIC ${LIBC_SOURCE_DIR})
-  if(LLVM_LIBC_FULL_BUILD)
+  if(LIBC_GPU_BUILD OR LIBC_GPU_ARCHITECTURES)
     # If we are in full build mode, then we should use our own public headers.
     target_include_directories(${lib} PRIVATE ${LIBC_BUILD_DIR}/include)
   endif()
@@ -52,7 +52,7 @@ add_library(
 
 target_include_directories(LibcTestMain PUBLIC ${LIBC_SOURCE_DIR})
 target_compile_options(LibcTestMain PRIVATE -fno-exceptions -fno-rtti)
-if(LIBC_GPU_BUILD)
+if(LIBC_GPU_BUILD OR LIBC_GPU_ARCHITECTURES)
   target_include_directories(LibcTestMain PRIVATE ${LIBC_BUILD_DIR}/include)
   target_compile_options(LibcTestMain PRIVATE ${LIBC_HERMETIC_TEST_COMPILE_OPTIONS})
 endif()