ProjectExplorer: Add a RunControl::supportsReRunning setter

Removes one reason to derive from base RunControls (specifically
ValgrindRunControl).

Change-Id: I81e32a49ef30e79ee7e7b53a54021eaaba43453a
Reviewed-by: Tobias Hunger <tobias.hunger@qt.io>

src/plugins/projectexplorer/runconfiguration.cpp

@@ -589,6 +589,7 @@ public:
     Utils::ProcessHandle applicationProcessHandle;
 
     State state = State::Initialized;
+    bool supportsReRunning = true;
 
 #ifdef Q_OS_OSX
     // This is used to bring apps in the foreground on Mac
@@ -892,6 +893,16 @@ bool RunControl::promptToStop(bool *optionalPrompt) const
                                   optionalPrompt);
 }
 
+bool RunControl::supportsReRunning() const
+{
+    return d->supportsReRunning;
+}
+
+void RunControl::setSupportsReRunning(bool reRunningSupported)
+{
+    d->supportsReRunning = reRunningSupported;
+}
+
 bool RunControl::isRunning() const
 {
     return d->state == RunControlPrivate::State::Running;