Wrap old search index update logic behind FeatureProvider.

Change-Id: I31024d2e7900a90b4f7dc8cc81951bf6a0e533fa
Fix: 34123028
Test: RunSettingsRoboTests

src/com/android/settings/SettingsActivity.java

@@ -462,10 +462,7 @@ public class SettingsActivity extends SettingsDrawerActivity
         if (mIsShowingDashboard) {
             // Run the Index update only if we have some space
             if (!Utils.isLowStorage(this)) {
-                long indexStartTime = System.currentTimeMillis();
+                mSearchFeatureProvider.updateIndex(getApplicationContext());
-                Index.getInstance(getApplicationContext()).update();
-                if (DEBUG_TIMING) Log.d(LOG_TAG, "Index.update() took "
-                        + (System.currentTimeMillis() - indexStartTime) + " ms");
             } else {
                 Log.w(LOG_TAG, "Cannot update the Indexer as we are running low on storage space!");
             }

src/com/android/settings/search2/SearchFeatureProviderImpl.java

@@ -19,19 +19,21 @@ package com.android.settings.search2;
 import android.app.Activity;
 import android.content.Context;
 import android.content.Intent;
+import android.util.Log;
 import android.view.Menu;
 import android.view.MenuItem;
 
 import com.android.settings.R;
-import com.android.settings.search.Index;
-
 import com.android.settings.applications.PackageManagerWrapperImpl;
+import com.android.settings.search.Index;
 
 /**
  * FeatureProvider for the refactored search code.
  */
 public class SearchFeatureProviderImpl implements SearchFeatureProvider {
 
+    private static final String TAG = "SearchFeatureProvider";
+
     private DatabaseIndexingManager mDatabaseIndexingManager;
 
     @Override
@@ -81,10 +83,12 @@ public class SearchFeatureProviderImpl implements SearchFeatureProvider {
 
     @Override
     public void updateIndex(Context context) {
+        long indexStartTime = System.currentTimeMillis();
         if (isEnabled(context)) {
             getIndexingManager(context).update();
         } else {
             Index.getInstance(context).update();
         }
+        Log.d(TAG, "Index.update() took " + (System.currentTimeMillis() - indexStartTime) + " ms");
     }
 }