[moblab] Uprev the stable image in moblab.

Regular update of the stable image to revert to when repairing.

BUG=None
TEST=None

Change-Id: I85249b2d3bc709ddbaac80fc3c85044aa913ed4e
Reviewed-on: https://chromium-review.googlesource.com/c/1296864
Reviewed-by: Keith Haddow <haddowk@chromium.org>
Commit-Queue: Keith Haddow <haddowk@chromium.org>
Tested-by: Keith Haddow <haddowk@chromium.org>
Trybot-Ready: Keith Haddow <haddowk@chromium.org>
diff --git a/moblab_config.ini b/moblab_config.ini
index 092a42f..04a7c06 100644
--- a/moblab_config.ini
+++ b/moblab_config.ini
@@ -35,7 +35,7 @@
 cts_results_server:
 # In moblab, this paramater is empty and uses the image bucket by default.
 results_storage_server:
-stable_cros_version: R67-10575.55.0
+stable_cros_version: R69-10895.78.0
 quick_provision_build_regex = ^.*-(paladin|pfq|release|informational|trybot)/.*
 
 # The pubsub topic the gs_offloader notification is sent to.