Load zen mode type icon options from the proper resources

* Move default mode icons from Settings res to core res.
* Add array resources for the icon options and their descriptions.
* As the initial version of the list, use the default mode icons.

Bug: 333901673
Test: atest IconOptionsProviderImplTest
Flag: android.app.modes_ui
Change-Id: I66669e67a9d607268c05d5ed3df6c9555e57864c

src/com/android/settings/notification/modes/ZenModeIconPickerFragment.java

@@ -44,7 +44,6 @@ public class ZenModeIconPickerFragment extends ZenModeFragmentBase {
                 new ZenModeIconPickerIconPreferenceController(context, "current_icon", this,
                         mBackend),
                 new ZenModeIconPickerListPreferenceController(context, "icon_list", this,
-                        // TODO: b/333901673 - Replace with correct icon list.
-                        new TempIconOptionsProvider(), mBackend));
+                        new IconOptionsProviderImpl(mContext), mBackend));
     }
 }