QNX: Use pidin instead of ps for device tester

QNX uses their own ps command named pidin for doing process listing.
QnxDeviceProcessList::listProcessesCommandLine() uses pidin.

ps doesn't exist and it causes the device testing to fail.

Change-Id: I9de7895fd6ba4e19f6f27e599f240c67c9ed2b4d
Reviewed-by: hjk <hjk@qt.io>

src/plugins/qnx/qnxdevicetester.cpp

@@ -62,7 +62,7 @@ QnxDeviceTester::QnxDeviceTester(QObject *parent)
                      << QLatin1String("mkdir")
                      << QLatin1String("print")
                      << QLatin1String("printf")
-                     << QLatin1String("ps")
+                     << QLatin1String("pidin")
                      << QLatin1String("read")
                      << QLatin1String("rm")
                      << QLatin1String("sed")