Enabling some test suites that miss from ATP

ATP requires the test size attribute, or else the test won't be run.

Test: Will see on ATP
Change-Id: If231781b5188c022e47cc40e46af933d753fa114

tests/src/com/android/launcher3/allapps/search/DefaultAppSearchAlgorithmTest.java

@@ -15,7 +15,12 @@
  */
 package com.android.launcher3.allapps.search;
 
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
 import android.content.ComponentName;
+
+import androidx.test.filters.SmallTest;
 import androidx.test.runner.AndroidJUnit4;
 
 import com.android.launcher3.AppInfo;
@@ -24,12 +29,10 @@ import com.android.launcher3.Utilities;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
-
 /**
  * Unit tests for {@link DefaultAppSearchAlgorithm}
  */
+@SmallTest
 @RunWith(AndroidJUnit4.class)
 public class DefaultAppSearchAlgorithmTest {
     private static final DefaultAppSearchAlgorithm.StringMatcher MATCHER =