[NTP] Update field trial testing config for UseGoogleLocalNtp

Remove old config for Local NTP and add a new one for the Local NTP with
promos and Doodles.

Bug: 583289
Change-Id: I0fff16d02c949becd859437a235a62571e821955
Reviewed-on: https://chromium-review.googlesource.com/c/1436145Reviewed-by: Steven Holte <holte@chromium.org>
Commit-Queue: Kyle Milka <kmilka@chromium.org>
Cr-Commit-Position: refs/heads/master@{#626090}

testing/variations/fieldtrial_testing_config.json

@@ -2676,28 +2676,6 @@
             ]
         }
     ],
-    "NTPUseGoogleLocalNtp": [
-        {
-            "platforms": [
-                "chromeos",
-                "linux",
-                "mac",
-                "windows"
-            ],
-            "experiments": [
-                {
-                    "name": "Enabled",
-                    "params": {
-                        "local_ntp_interactive_doodles": "false"
-                    },
-                    "enable_features": [
-                        "DoodlesOnLocalNtp",
-                        "UseGoogleLocalNtp"
-                    ]
-                }
-            ]
-        }
-    ],
     "NativeCrxBindings": [
         {
             "platforms": [
@@ -4914,6 +4892,26 @@
             ]
         }
     ],
+    "UseGoogleLocalNtp": [
+        {
+            "platforms": [
+                "chromeos",
+                "linux",
+                "mac",
+                "windows"
+            ],
+            "experiments": [
+                {
+                    "name": "UseGoogleLocalNtp",
+                    "enable_features": [
+                        "DoodlesOnLocalNtp",
+                        "PromosOnLocalNtp",
+                        "UseGoogleLocalNtp"
+                    ]
+                }
+            ]
+        }
+    ],
     "UsePdfCompositorServiceForPrint": [
         {
             "platforms": [