Add explicit error when called by sharee for related functions

List of functions:
tune()
cancelTuning()
scan()
cancelScanning()
getFrontendStatus()
getFrontendStatusReadiness()
connectFrontendToCiCam()
disconnectFrontendToCiCam()
getCurrentFrontendHardwareInfo()
removeOutputPid()
setMaxNumberOfFrontends()

Bug: 202983530
Test: cts
Change-Id: I5d1062c238829f5f00bab67415dc13f3afbc330a