Consolidate all wrappers used for testing.

- Add the wrapper package and move all wrappers to the wrapper package.
- Get rid of some wrapper interface/impl implementation and have a
wrapper class directly.

Bug: 65634579
Test: make RunSettingsRoboTests
Change-Id: Ic757d8f7bacfa7a034c7e692205bc1dc4b0e1de1

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

@@ -21,9 +21,9 @@ import android.content.Context;
 import android.text.TextUtils;
 import android.util.Log;
 
-import com.android.settings.applications.PackageManagerWrapperImpl;
 import com.android.settings.dashboard.SiteMapManager;
 import com.android.settings.overlay.FeatureFactory;
+import com.android.settingslib.wrapper.PackageManagerWrapper;
 
 /**
  * FeatureProvider for the refactored search code.
@@ -50,7 +50,7 @@ public class SearchFeatureProviderImpl implements SearchFeatureProvider {
     @Override
     public InstalledAppResultLoader getInstalledAppSearchLoader(Context context, String query) {
         return new InstalledAppResultLoader(
-                context, new PackageManagerWrapperImpl(context.getPackageManager()),
+                context, new PackageManagerWrapper(context.getPackageManager()),
                 cleanQuery(query), getSiteMapManager());
     }