Update SKP version

Automatic commit by the RecreateSKPs bot.

TBR=
NO_MERGE_BUILDS

Review URL: https://codereview.chromium.org/1222483003
diff --git a/SKP_VERSION b/SKP_VERSION
index c0220a2..0ad1c6b 100644
--- a/SKP_VERSION
+++ b/SKP_VERSION
@@ -1 +1 @@
-397
\ No newline at end of file
+408
\ No newline at end of file