Fix failing assistant voice search consent ui test

Bug: 1148747
Change-Id: I4e1a3ed449ae27a2caca8f1387b9bbf4d407aa39
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2579720Reviewed-by: Filip Gorski <fgorski@chromium.org>
Commit-Queue: Brandon Wylie <wylieb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#834968}

chrome/android/javatests/src/org/chromium/chrome/browser/omnibox/voice/AssistantVoiceSearchConsentUiTest.java

@@ -34,12 +34,14 @@ import org.chromium.base.test.util.Criteria;
 import org.chromium.base.test.util.CriteriaHelper;
 import org.chromium.chrome.R;
 import org.chromium.chrome.browser.ChromeTabbedActivity;
+import org.chromium.chrome.browser.flags.ChromeFeatureList;
 import org.chromium.chrome.browser.flags.ChromeSwitches;
 import org.chromium.chrome.browser.preferences.SharedPreferencesManager;
 import org.chromium.chrome.browser.settings.SettingsActivity;
 import org.chromium.chrome.browser.settings.SettingsLauncherImpl;
 import org.chromium.chrome.test.ChromeJUnit4ClassRunner;
 import org.chromium.chrome.test.ChromeTabbedActivityTestRule;
+import org.chromium.chrome.test.util.browser.Features.EnableFeatures;
 import org.chromium.components.browser_ui.bottomsheet.BottomSheetController;
 import org.chromium.components.browser_ui.bottomsheet.BottomSheetTestSupport;
 import org.chromium.content_public.browser.test.util.ClickUtils;
@@ -48,6 +50,7 @@ import org.chromium.content_public.browser.test.util.TestThreadUtils;
 /** Tests for AssistantVoiceSearchConsentDialog */
 @RunWith(ChromeJUnit4ClassRunner.class)
 @CommandLineFlags.Add({ChromeSwitches.DISABLE_FIRST_RUN_EXPERIENCE})
+@EnableFeatures(ChromeFeatureList.OMNIBOX_ASSISTANT_VOICE_SEARCH)
 // TODO(wylieb): Batch these tests.
 public class AssistantVoiceSearchConsentUiTest {
     @Rule