Do not show any search engine promos if disabled by policy.

chrome/android/java/src/org/chromium/chrome/browser/locale/LocaleManager.java

Index: chrome/android/java/src/org/chromium/chrome/browser/locale/LocaleManager.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/locale/LocaleManager.java b/chrome/android/java/src/org/chromium/chrome/browser/locale/LocaleManager.java
index 41ffcfadd68bf252367a88a92057679852e0ae66..8ed7101871c73151e2c1770b3f0cbaead84abbdc 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/locale/LocaleManager.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/locale/LocaleManager.java
@@ -244,6 +244,11 @@ public class LocaleManager {
             final Activity activity, final @Nullable Callback<Boolean> onSearchEngineFinalized) {
         assert TemplateUrlService.getInstance().isLoaded();
 
+        if (TemplateUrlService.getInstance().isDefaultSearchManaged()) {
+            if (onSearchEngineFinalized != null) onSearchEngineFinalized.onResult(true);
+            return;
+        }
+
         final int shouldShow = getSearchEnginePromoShowType();
         Callable<PromoDialog> dialogCreator;
         switch (shouldShow) {