[Internet tile] Add accessibility class name to InternetTileNewImpl

This is required to pass platform scenario testing

Test: adb shell cmd statusbar flag signal_callback_deprecation true
Test: LongClickInternet and ToggleInternet tests
Flag: LEGACY SIGNAL_CALLBACK_DEPRECATION ENABLED
Change-Id: I89781d03e86e21002420b1176cf71dcd75ed9cee
1 file changed