add field trial for clipbloard suggestions

Change-Id: Ia9bcb02d21d1b44605857cad4d74f0ded44e2d06
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1914962Reviewed-by: Brian White <bcwhite@chromium.org>
Commit-Queue: Gang Wu <gangwu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#715085}

testing/variations/fieldtrial_testing_config.json

@@ -164,6 +164,36 @@
             ]
         }
     ],
+    "AndroidClipboardSuggestionsRemoval": [
+        {
+            "platforms": [
+                "android"
+            ],
+            "experiments": [
+                {
+                    "name": "Enabled",
+                    "enable_features": [
+                        "OmniboxRemoveSuggestionsFromClipboard"
+                    ]
+                }
+            ]
+        }
+    ],
+    "AndroidClipboardTextSuggestions": [
+        {
+            "platforms": [
+                "android"
+            ],
+            "experiments": [
+                {
+                    "name": "Enabled",
+                    "enable_features": [
+                        "OmniboxEnableClipboardProviderTextSuggestions"
+                    ]
+                }
+            ]
+        }
+    ],
     "AndroidGooglePasswordManager": [
         {
             "platforms": [