[AiS] Enable AiS flag on all platforms

chrome/browser/autocomplete/search_provider_unittest.cc

Index: chrome/browser/autocomplete/search_provider_unittest.cc
diff --git a/chrome/browser/autocomplete/search_provider_unittest.cc b/chrome/browser/autocomplete/search_provider_unittest.cc
index 4fd51657c3e443247f56f0ced8ffc9f759a85ee1..cb15d42a4d5f671553b09dde9935b24c7e2b8be7 100644
--- a/chrome/browser/autocomplete/search_provider_unittest.cc
+++ b/chrome/browser/autocomplete/search_provider_unittest.cc
@@ -3104,7 +3104,6 @@ TEST_F(SearchProviderTest, CheckDuplicateMatchesSaved) {
   EXPECT_EQ(0U, match_apricot.duplicate_matches.size());
 }
 
-#if defined(OS_ANDROID)
 TEST_F(SearchProviderTest, SuggestQueryUsesToken) {
   CommandLine::ForCurrentProcess()->AppendSwitch(
       switches::kEnableAnswersInSuggest);
@@ -3142,7 +3141,6 @@ TEST_F(SearchProviderTest, SuggestQueryUsesToken) {
   fetcher->delegate()->OnURLFetchComplete(fetcher);
   RunTillProviderDone();
 }
-#endif
 
 TEST_F(SearchProviderTest, SessionToken) {
   // Subsequent calls always get the same token.