Add cl_ext_immutable_memory_objects tests writing to and from buffer#2432

kpet merged 1 commit intoKhronosGroup:mainKhronosGroup/OpenCL-CTS:mainfrom

MichaelRizkalla-arm:cl_ext_immutable_memory_objects_tests_part_2_buffersMichaelRizkalla-arm/OpenCL-CTS:cl_ext_immutable_memory_objects_tests_part_2_buffersCopy head branch name to clipboard