Disable AzTest and AzTestRunner in monolithic builds

Code/Framework/AzTest/CMakeLists.txt

@@ -9,6 +9,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 #
 
+if(NOT LY_MONOLITHIC_GAME)
     ly_get_list_relative_pal_filename(pal_dir ${CMAKE_CURRENT_LIST_DIR}/AzTest/Platform/${PAL_PLATFORM_NAME})
 
     ly_add_target(
@@ -30,3 +31,4 @@ ly_add_target(
         PLATFORM_INCLUDE_FILES
             ${pal_dir}/platform_${PAL_PLATFORM_NAME_LOWERCASE}.cmake
     )
+endif()

Code/Tools/AzTestRunner/CMakeLists.txt

@@ -13,7 +13,7 @@ ly_get_list_relative_pal_filename(pal_dir ${CMAKE_CURRENT_LIST_DIR}/Platform/${P
 
 include(${pal_dir}/platform_traits_${PAL_PLATFORM_NAME_LOWERCASE}.cmake)
 
-if(PAL_TRAIT_AZTESTRUNNER_SUPPORTED)
+if(PAL_TRAIT_AZTESTRUNNER_SUPPORTED AND NOT LY_MONOLITHIC_GAME)
     
     ly_add_target(
         NAME AzTestRunner ${PAL_TRAIT_AZTESTRUNNER_LAUNCHER_TYPE}