GCC: fix unknown attribute warnings for no_sanitize

Clang and GCC use different syntax to add no_sanitize
attribute on functions. This results in a large amount
of warnings for GCC, because responsible header is included
very often. Use SK_ATTRIBUTE to specify no_sanitize
attribute.

Change-Id: I589a851493788283c13fe4c7fb99eaa7ad753487
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/300556
Commit-Queue: Mike Klein <mtklein@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
diff --git a/AUTHORS b/AUTHORS
index bead702..6857c6e 100755
--- a/AUTHORS
+++ b/AUTHORS
@@ -50,6 +50,7 @@
 Skia <*@skia.org>
 Skia Buildbots <skia.buildbots@gmail.com>
 Sony Mobile Communications Inc. <*@sonymobile.com>
+Stephan Hartmann <stha09@googlemail.com>
 Steve Singer <steve@ssinger.info>
 Sylvestre Ledru <sylvestre.ledru@gmail.com>
 The Chromium Authors <*@chromium.org>