Change icon for Private Space unlocked and setup success toast

Change is made to show customised icon in Toast message shown by using
Toast.makeCustomToastWithIcon()

Screenshots :
go/ss/AcaRQUJQfh79wDw.png
go/ss/5j4oD8xydwX7HTX.png

Bug: 329391204
Bug: 309575523
Test: Manual
Change-Id: I336d7d0419b1de60024e584e943a725662b446a9

src/com/android/settings/privatespace/SetupSuccessFragment.java

@@ -21,6 +21,7 @@ import android.app.settings.SettingsEnums;
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
+import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 import android.util.Log;
 import android.view.LayoutInflater;
@@ -100,6 +101,7 @@ public class SetupSuccessFragment extends InstrumentedFragment {
                     allAppsIntent.setPackage(resolveInfo.activityInfo.packageName);
                     allAppsIntent.setComponent(resolveInfo.activityInfo.getComponentName());
                 }
+                activity.setTheme(R.style.Theme_SubSettings);
                 accessPrivateSpaceToast();
                 startActivity(allAppsIntent);
                 Log.i(TAG, "Private space setup complete");
@@ -109,7 +111,13 @@ public class SetupSuccessFragment extends InstrumentedFragment {
     }
 
     private void accessPrivateSpaceToast() {
-        Toast.makeText(getContext(), R.string.private_space_scrolldown_to_access,
-                Toast.LENGTH_SHORT).show();
+        Drawable drawable = getContext().getDrawable(R.drawable.ic_private_space_icon);
+        Toast.makeCustomToastWithIcon(
+                        getContext(),
+                        null /* looper */ ,
+                        getContext().getString(R.string.private_space_scrolldown_to_access),
+                        Toast.LENGTH_SHORT,
+                        drawable)
+                .show();
     }
 }