Add Feature tag to all ImportantSite tests

chrome/android/javatests/src/org/chromium/chrome/browser/preferences/website/ManageSpaceActivityTest.java

Index: chrome/android/javatests/src/org/chromium/chrome/browser/preferences/website/ManageSpaceActivityTest.java
diff --git a/chrome/android/javatests/src/org/chromium/chrome/browser/preferences/website/ManageSpaceActivityTest.java b/chrome/android/javatests/src/org/chromium/chrome/browser/preferences/website/ManageSpaceActivityTest.java
index 24c6bbde3aa387d85a86180638a1556767e545e8..ec0e6dd2378826137ba329a4126ea8a2459781a2 100644
--- a/chrome/android/javatests/src/org/chromium/chrome/browser/preferences/website/ManageSpaceActivityTest.java
+++ b/chrome/android/javatests/src/org/chromium/chrome/browser/preferences/website/ManageSpaceActivityTest.java
@@ -14,6 +14,7 @@ import android.test.suitebuilder.annotation.SmallTest;
 
 import org.chromium.base.ThreadUtils;
 import org.chromium.base.test.util.CommandLineFlags;
+import org.chromium.base.test.util.Feature;
 import org.chromium.base.test.util.MinAndroidSdkLevel;
 import org.chromium.base.test.util.RetryOnFailure;
 import org.chromium.chrome.browser.ChromeActivity;
@@ -109,6 +110,7 @@ public class ManageSpaceActivityTest extends ChromeActivityTestCaseBase<ChromeAc
 
     @MediumTest
     @RetryOnFailure
+    @Feature({"SiteEngagement"})
     public void testClearUnimportantOnly() throws Exception {
         final String cookiesUrl =
                 mTestServer.getURL("/chrome/test/data/android/storage_persistance.html");
@@ -144,6 +146,7 @@ public class ManageSpaceActivityTest extends ChromeActivityTestCaseBase<ChromeAc
     }
 
     @MediumTest
+    @Feature({"SiteEngagement"})
     public void testClearUnimporantWithoutChromeStart() throws Exception {
         ManageSpaceActivity manageSpaceActivity = startManageSpaceActivity();
         // Click 'clear' in the CBD screen.