Version 6.9.427.9

TBR=machenbach@chromium.org

Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
Change-Id: Ic8104d98b86edfc5ecd294bf578a3efe61ded0bd
Reviewed-on: https://chromium-review.googlesource.com/1156057
Reviewed-by: V8 Autoroller <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/branch-heads/6.9@{#18}
Cr-Branched-From: d7b61abe7b48928aed739f02bf7695732d359e7e-refs/heads/6.9.427@{#1}
Cr-Branched-From: b7e108d6016bf6b7de3a34e6d61cb522f5193460-refs/heads/master@{#54504}
diff --git a/include/v8-version.h b/include/v8-version.h
index 4fe76d8..68ecab3 100644
--- a/include/v8-version.h
+++ b/include/v8-version.h
@@ -11,7 +11,7 @@
 #define V8_MAJOR_VERSION 6
 #define V8_MINOR_VERSION 9
 #define V8_BUILD_NUMBER 427
-#define V8_PATCH_LEVEL 8
+#define V8_PATCH_LEVEL 9
 
 // Use 1 for candidates and 0 otherwise.
 // (Boolean macro values are not supported by all preprocessors.)