[autotest] Bump the stable version to more recent.

The stable version is used by moblab build to repair devices it's connected.
The new build is currently used as the default stable version in the lab.

BUG=None
TEST=None

Change-Id: I4cbba129b6ac1d6b0222241d370a69b897f62029
Reviewed-on: https://chromium-review.googlesource.com/307883
Commit-Ready: Dan Shi <dshi@chromium.org>
Tested-by: Dan Shi <dshi@chromium.org>
Reviewed-by: Fang Deng <fdeng@chromium.org>
diff --git a/global_config.ini b/global_config.ini
index 72b6b78..f8d4ae9 100644
--- a/global_config.ini
+++ b/global_config.ini
@@ -229,7 +229,7 @@
 # Use `cli/atest stable_version` command to view or manage stable versions.
 # WARNING! Edit following setting will NOT work if stable versions are stored
 # in afe_stable_versions table already!
-stable_cros_version: R44-7077.134.0
+stable_cros_version: R46-7390.59.0
 stable_build_pattern: %s-release/%s
 source_tree: /usr/local/google/chromeos
 gs_offloading_enabled: True