Update the testing config with the new experiments for PVer4.

testing/variations/fieldtrial_testing_config.json

Index: testing/variations/fieldtrial_testing_config.json
diff --git a/testing/variations/fieldtrial_testing_config.json b/testing/variations/fieldtrial_testing_config.json
index fdffeb46d76d73f9ca38823ed61a6252919ab613..7427e8a5a1fa78f1e96717dab8dd9dba6b0aa439 100644
--- a/testing/variations/fieldtrial_testing_config.json
+++ b/testing/variations/fieldtrial_testing_config.json
@@ -1698,7 +1698,27 @@
             ],
             "experiments": [
                 {
-                    "name": "Enabled"
+                    "name": "V4Hybrid",

[rkaplow, 2016/10/26 02:36:19]

I actually think it makes more sense to have it alone, and not have the other
two - since right now it isn't functional and can confuse people into thinking
that they are tested. 

+                    "enable_features": [
+                        "SafeBrowsingV4HybridEnabled",
+                        "SafeBrowsingV4LocalDatabaseManagerEnabled"
+                    ]
+                },
+                {
+                    "name": "V4JustUpdate",
+                    "enable_features": [
+                        "SafeBrowsingV4LocalDatabaseManagerEnabled"
+                    ]
+                },
+                {
+                    "name": "Control",
+                    "disable_features": [
+                        "SafeBrowsingV4HybridEnabled",
+                        "SafeBrowsingV4LocalDatabaseManagerEnabled"
+                    ]
+                },
+                {
+                    "name": "Default"
                 }
             ]
         }