[A11Y][Wi-Fi] Prevent data usage header spinner speak at onResume

Ignore AccessibilityEvent.TYPE_VIEW_SELECTED for the Spinner.

Bug: 146818854
Test: manual
      Should not speak for header spinner right after entering
      'Wi-Fi data usage'
Change-Id: I289d9a781242f8bfec56c59b7be2ac0688c5e485