Field trial config for NTP Richer Picker and Colors menu.

Bug: 937570
Change-Id: I26a8ddecea285e088dafbc250071559ec6fffe9c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1750931Reviewed-by: Brian White <bcwhite@chromium.org>
Commit-Queue: Gayane Petrosyan <gayane@chromium.org>
Cr-Commit-Position: refs/heads/master@{#686391}

testing/variations/fieldtrial_testing_config.json

@@ -3370,6 +3370,32 @@
             ]
         }
     ],
+    "NTPRicherPickerAndColors": [
+        {
+            "platforms": [
+                "chromeos",
+                "linux",
+                "mac",
+                "windows"
+            ],
+            "experiments": [
+                {
+                    "name": "EnableRicherPicker",
+                    "enable_features": [
+                        "NtpCustomizationMenuV2"
+                    ]
+                },
+                {
+                    "name": "EnableRicherPickerWithColors",
+                    "enable_features": [
+                        "ChromeColors",
+                        "ChromeColorsCustomColorPicker",
+                        "NtpCustomizationMenuV2"
+                    ]
+                }
+            ]
+        }
+    ],
     "NativeNotifications": [
         {
             "platforms": [