Misc logging changes

- log search result count, rank when clicking search result.
- log app package when default app is changed

Change-Id: Idd11bd67caba2beaa59c65839c40db8c71787388
Fix: 62072727
Test: make RunSettingsRoboTests

tests/robotests/src/com/android/settings/search/DatabaseIndexingManagerTest.java

@@ -33,19 +33,14 @@ import android.net.Uri;
 import android.os.Build;
 import android.provider.SearchIndexableResource;
 import android.util.ArrayMap;
+
 import com.android.settings.R;
 import com.android.settings.SettingsRobolectricTestRunner;
 import com.android.settings.TestConfig;
-import com.android.settings.search.DatabaseIndexingManager;
-import com.android.settings.search.IndexDatabaseHelper;
-import com.android.settings.search.IndexingCallback;
-import com.android.settings.search.ResultPayload;
-import com.android.settings.search.ResultPayloadUtils;
-import com.android.settings.search.SearchFeatureProviderImpl;
-import com.android.settings.search.SearchIndexableRaw;
 import com.android.settings.testutils.DatabaseTestUtils;
 import com.android.settings.testutils.shadow.ShadowDatabaseIndexingUtils;
 import com.android.settings.testutils.shadow.ShadowRunnableAsyncTask;
+
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
@@ -140,7 +135,7 @@ public class DatabaseIndexingManagerTest {
 
     @After
     public void cleanUp() {
-        DatabaseTestUtils.clearDb();
+        DatabaseTestUtils.clearDb(mContext);
     }
 
     @Test