Switch to use small icon for most app related pages

- Renamed AppProgressPreference to AppPreference to handle most app
  related prefs
- Add ed AppSwitchPreference - the same layout as AppPreference except
  it's a SwitchPreference
- Use above 2 prefs in most app related pages.
  - Everything under special access pages
  - Recent app list in App & notifications
  - App data usage detail page
  - Default app picker pages

Bug: 65182905
Test: robotests
Change-Id: I96c980ba1db49e36dabe25b5eade1197215aad11

src/com/android/settings/applications/defaultapps/DefaultAppPickerFragment.java

@@ -84,6 +84,11 @@ public abstract class DefaultAppPickerFragment extends RadioButtonPickerFragment
         }
     }
 
+    @Override
+    protected int getRadioButtonPreferenceCustomLayoutResId() {
+        return R.layout.preference_app;
+    }
+
     protected ConfirmationDialogFragment newConfirmationDialogFragment(String selectedKey,
             CharSequence confirmationMessage) {
         final ConfirmationDialogFragment fragment = new ConfirmationDialogFragment();