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
diff --git a/init/Android.mk b/init/Android.mk
index c85727c..dc46d21 100644
--- a/init/Android.mk
+++ b/init/Android.mk
@@ -90,6 +90,8 @@
     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)