add v9.2.1 driver libs:
	add armeabi.jar ( shared libraries storage )
	add fptrlib.jar
	add res
	update build.gradle
update CashCheck
update DefaultPrintError
update DeviceSettings.getInstance(xml parsing)
remove PrinterAction
remove PrinterServiceController
update Example
update CashCheck
update DeviceSettings.dateTime (timestamp)
update Printer:
	update .constructor()
	update .printCheck()
	add .getPrinterTimeInMillis()
	add .terminateInstance()
	remove .saveDeviceSettings()
remove IEcr.aidl
remove ParcelableDate.aidl
remove ParcelableDate
update PrintError (remove redundant static errors list)
update Printer:
	update .getLastError()
	update .printCheck()
update README.md
update DefaultPrintError
update Printer.getLastError()
remove driver folder
update Printer
fix DeviceSettings.getInstance()
update Printer:
	update .connectDevice()
	add .tryConnect()
	add .initDriver()
update PrintError
update DeviceSettings
update Printer.configure()
update Example
update Printer:
	update .getInstance()
	update .connectDevice()
	update DeviceSettings