Fix subclasses of error.ActsError missing parent class attributes. Some subclasses of ActsError do not invoke the parent __init__() method, which creates required attributes, e.g. "message". Their absence has caused unhandled errors during exception handling. Bug: 133518493 Test: locally with BleScanApiTest Change-Id: I2e531229d69d18a89ce1f8195b34da9eb93cc13d Merged-In: I2e531229d69d18a89ce1f8195b34da9eb93cc13d