Run memcpy_move_set test with and without -fno-builtin
Run memcpy_move_set test with and without -fno-builtin

Aside from covering libc (-fno-builtin) this covers the compiler's intrinsics,
and on ARM it also covers the __aeabi flavors of these from compiler-rt.

R=jvoung@chromium.org
BUG= https://code.google.com/p/nativeclient/issues/detail?id=4140

Review URL: https://codereview.chromium.org/1055553003

sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client