Version 2.18.0-64.0.dev

Merge commit '68a6b6fa63d11728a0f631c083a06c0cbf0113a1' into 'dev'
diff --git a/DEPS b/DEPS
index 7b77af9..bca6358 100644
--- a/DEPS
+++ b/DEPS
@@ -79,7 +79,7 @@
   "args_rev": "3b3f55766af13d895d2020ec001a28e8dc147f91",
   "async_rev": "f3ed5f690e2ec9dbe1bfc5184705575b4f6480e5",
   "bazel_worker_rev": "ceeba0982d4ff40d32371c9d35f3d2dc1868de20",
-  "benchmark_harness_rev": "c546dbd9f639f75cd2f75de8df2eb9f8ea15e8e7",
+  "benchmark_harness_rev": "6a99d14719ef3f251041a9fcbe0589f312499696",
   "boolean_selector_rev": "437e7f06c7e416bed91e16ae1df453555897e945",
   "boringssl_gen_rev": "ced85ef0a00bbca77ce5a91261a5f2ae61b1e62f",
   "boringssl_rev": "87f316d7748268eb56f2dc147bd593254ae93198",
diff --git a/tools/VERSION b/tools/VERSION
index 291b0df..61bcbea 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -27,5 +27,5 @@
 MAJOR 2
 MINOR 18
 PATCH 0
-PRERELEASE 63
+PRERELEASE 64
 PRERELEASE_PATCH 0
\ No newline at end of file