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/applications/defaultapps/DefaultAppPickerFragment.java

@@ -29,11 +29,10 @@ import android.util.Pair;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
-import com.android.settings.applications.PackageManagerWrapper;
-import com.android.settings.applications.PackageManagerWrapperImpl;
 import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
 import com.android.settings.widget.RadioButtonPickerFragment;
 import com.android.settings.widget.RadioButtonPreference;
+import com.android.settingslib.wrapper.PackageManagerWrapper;
 
 /**
  * A generic app picker fragment that shows a list of app as radio button group.
@@ -45,7 +44,7 @@ public abstract class DefaultAppPickerFragment extends RadioButtonPickerFragment
     @Override
     public void onAttach(Context context) {
         super.onAttach(context);
-        mPm = new PackageManagerWrapperImpl(context.getPackageManager());
+        mPm = new PackageManagerWrapper(context.getPackageManager());
     }
 
     @Override