Update CCTModule group name

Bug: 853221
Change-Id: I0ffe2062ec61d281ac141ee73e9296b323c3f71c
Reviewed-on: https://chromium-review.googlesource.com/1196545
Commit-Queue: Michael van Ouwerkerk <mvanouwerkerk@chromium.org>
Commit-Queue: Alexei Svitkine <asvitkine@chromium.org>
Reviewed-by: Alexei Svitkine <asvitkine@chromium.org>
Cr-Commit-Position: refs/heads/master@{#587545}

testing/variations/fieldtrial_testing_config.json

@@ -1005,7 +1005,7 @@
             ],
             "experiments": [
                 {
-                    "name": "Enabled",
+                    "name": "Enabled_2",
                     "enable_features": [
                         "CCTModule"
                     ]