Uniform ApplicationLauncher API: get rid of finished()

Use existing processExited() signal instead.

Change-Id: I1eecaa05fa8b3a97d8585fca4ca89e8e1acecec3
Reviewed-by: hjk <hjk@qt.io>

src/plugins/boot2qt/qdbdevicedebugsupport.cpp

@@ -57,7 +57,7 @@ public:
 
         connect(&m_launcher, &ApplicationLauncher::processStarted,
                 this, &RunWorker::reportStarted);
-        connect(&m_launcher, &ApplicationLauncher::finished,
+        connect(&m_launcher, &ApplicationLauncher::processExited,
                 this, &RunWorker::reportStopped);
         connect(&m_launcher, &ApplicationLauncher::appendMessage,
                 this, &RunWorker::appendMessage);