Needed to emit SE_STATE_CHANGED from Thales updater code to clients when
eOS or applets are being updated. Current clients are GMSCore and UWB
Service.
Bug: 189881206
Bug: 183606657
Test: Confirm overlay worked and intents were received.
Change-Id: Ia1106d6fad20797e72c49cfc1f790289d0da0963