Crash when enabling show_operator_name_in_statusbar_bool

type casting of customized textview into OperatorNameView
gives a ClassCastException. The reason is that ViewStub
and Textview have the same id.

Change the ViewStub name to solve this

Test: Manual
Bug: 254244187
Change-Id: Idf7c94a5a3e9e5ad637bef3d3031fa4ae65af710