[moblab] Set the stable recovery version for M64

Getting ready for the release we need to rev the stable recovery
version.

TEST=None
BUG=None

Change-Id: I68d1919aa1a023e1c5c15d94572aa09f6fe2fb66
Reviewed-on: https://chromium-review.googlesource.com/933143
Commit-Ready: Keith Haddow <haddowk@chromium.org>
Tested-by: Keith Haddow <haddowk@chromium.org>
Reviewed-by: Keith Haddow <haddowk@chromium.org>
Reviewed-by: Matt Mallett <mattmallett@chromium.org>
(cherry picked from commit 004c244869bd063b8c579233a002c9bcac1c9b9c)
Reviewed-on: https://chromium-review.googlesource.com/935191
Commit-Queue: Keith Haddow <haddowk@chromium.org>
Trybot-Ready: Keith Haddow <haddowk@chromium.org>
diff --git a/moblab_config.ini b/moblab_config.ini
index 36c059a..9545a81 100644
--- a/moblab_config.ini
+++ b/moblab_config.ini
@@ -34,7 +34,7 @@
 cts_results_server:
 # In moblab, this paramater is empty and uses the image bucket by default.
 results_storage_server:
-stable_cros_version: R63-10032.75.1
+stable_cros_version: R64-10176.72.0
 
 # The pubsub topic the gs_offloader notification is sent to.
 cloud_notification_topic: projects/chromeos-partner-moblab/topics/moblab-notification