SRADA-216: TracingProcess.startTrace() stub implementation added.
* CliInternals - set Logger to debug mode for now while on active
implementation stage.
* CliInternals.loadConnectedDevices(), .selectApp(), .selectTemplate() - new
helper methods.
* CliInternals.startTracing(), .stopTracing() -renamed to
startTracingProcess() and stopTracingProcess().
* CliInternals.startTracing() - new method. Setting of selected device,
application and template implemented.
Change-Id: I7730d04889b5c133642c2a5b2dc915060bdd1e73