Merge changes I6dd97fb3,Icae62629,Idf6f7fb3,I544dbf2f into udc-dev

* changes:
  Allow debug logging of input publisher to be enabled on the fly
  Control logging in InputTransport using sysprops read at boot time
  Allow debug logging of dispatcher's inbound events to be enabled on the fly
  Allow debug logging of raw events to be enabled on the fly