Add Adaptive and Reactive suggestions to testing config.

This change enables trybots to validate the Adaptive and Reactive
suggestions.

Bug: 1046863, 1056503
Change-Id: Ifc48bf2b3c120141b8ad4f3b37dfbed77babb1ef
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2354722
Commit-Queue: Tomasz Wiszkowski <ender@google.com>
Reviewed-by: Ilya Sherman <isherman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#798801}

testing/variations/fieldtrial_testing_config.json

@@ -4902,13 +4902,17 @@
                 {
                     "name": "AndroidExperiments",
                     "params": {
-                        "ZeroSuggestVariant:1:*": "Local",
-                        "ZeroSuggestVariant:7:*": "Local",
-                        "ZeroSuggestVariant:8:*": "Local",
-                        "rounded_edges": "true"
+                        "OmniboxMaxURLMatches": "7",
+                        "OmniboxMaxZeroSuggestMatches": "15",
+                        "UIMaxAutocompleteMatches": "8",
+                        "omnibox_compact_suggestions_variant": "semi-compact"
                     },
                     "enable_features": [
-                        "OmniboxOnFocusSuggestions"
+                        "OmniboxAdaptiveSuggestionsCount",
+                        "OmniboxCompactSuggestions",
+                        "OmniboxMaxURLMatches",
+                        "OmniboxMaxZeroSuggestMatches",
+                        "OmniboxUIExperimentMaxAutocompleteMatches"
                     ]
                 }
             ]