Do not hwasanitize init_first_stage.

Current hwasan implementation breaks when stderr (fd 2) is missing.

Bug: 118776698
Test: hwasan boots without serial console
Change-Id: Id095a87212096526a497563adab3d7f2f9fe8ab0

init/Android.mk

@@ -90,6 +90,8 @@ LOCAL_STATIC_LIBRARIES := \
     libcap \
 
 LOCAL_SANITIZE := signed-integer-overflow
+# First stage init is weird: it may start without stdout/stderr, and no /proc.
+LOCAL_NOSANITIZE := hwaddress
 include $(BUILD_EXECUTABLE)
 
 include $(CLEAR_VARS)