[OSL-RV] Adding a feature flag to enable switching to RecyclerView

Adds a flag to enable switching to recycler view and controlling it
from variations server.

Bug: 1075602
Change-Id: Ic5f667cecb44fd7e4d0f0f34ca18f6452cefc3ca
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2173542
Auto-Submit: Filip Gorski <[email protected]>
Commit-Queue: Ted Choc <[email protected]>
Reviewed-by: Ted Choc <[email protected]>
Cr-Commit-Position: refs/heads/master@{#764286}
diff --git a/components/omnibox/common/omnibox_features.h b/components/omnibox/common/omnibox_features.h
index 200dfaf..901d71d 100644
--- a/components/omnibox/common/omnibox_features.h
+++ b/components/omnibox/common/omnibox_features.h
@@ -73,6 +73,7 @@
 extern const base::Feature kRichAutocompletion;
 extern const base::Feature kOmniboxLooseMaxLimitOnDedicatedRows;
 extern const base::Feature kOmniboxSuggestionButtonRow;
+extern const base::Feature kOmniboxSuggestionsRecyclerView;
 extern const base::Feature kWebUIOmniboxPopup;
 
 // Omnibox UI - these affect the UI or function of the location bar (not the