Change default internet tile icon.

This icon is used as the default for the tile (Edit mode). Use ic_wifi_3
when in the new QS.

Test: manual, edit mode
Fixes: 380840082
Flag: com.android.systemui.qs_ui_refactor_compose_fragment
Change-Id: Idca60ce1ee1657024ec30c8af6e29f2ca5e1b09a