Disable HWASan if UBSan is enabled

Test: `atest inputflinger_tests libinput_tests` does not crash
Bug: 251249010
Change-Id: Ic6bab1d2361ecfbad038acf9f124d4b9d4cee6d1
diff --git a/cc/sanitize.go b/cc/sanitize.go
index 0b47f0e..66dfef5 100644
--- a/cc/sanitize.go
+++ b/cc/sanitize.go
@@ -564,6 +564,11 @@
 		s.Scudo = nil
 	}
 
+	if Bool(s.Undefined) || Bool(s.All_undefined) || len(s.Misc_undefined) > 0 {
+		// TODO(b/251249010): re-enable Hwaddress with UBSan once fixed.
+		s.Hwaddress = nil
+	}
+
 	if Bool(s.Hwaddress) {
 		s.Address = nil
 		s.Thread = nil