Update SKP version

Automatic commit by the RecreateSKPs bot.

TBR=
NO_MERGE_BUILDS

Review URL: https://codereview.chromium.org/1316403003
diff --git a/SKP_VERSION b/SKP_VERSION
index 495ae25..2d3d9c2 100644
--- a/SKP_VERSION
+++ b/SKP_VERSION
@@ -1 +1 @@
-464
\ No newline at end of file
+472
\ No newline at end of file