Android: Don't use --server argument to lldb-server

We are not re-using the server process currently, and servers surviving
their processes seems to lead to zombie server processes (on app
uninstall(?))

Change-Id: I996fcd490e98a5101840cbbab5f640abf1f2d90b
Reviewed-by: Dominik Holland <dominik.holland@qt.io>

src/plugins/android/androidrunnerworker.cpp

@@ -627,7 +627,7 @@ bool AndroidRunnerWorker::startDebuggerServer(const QString &packageDir,
         QStringList lldbServerArgs = selector();
         lldbServerArgs << "shell" << "run-as" << m_packageName << debugServerFile
                         << "platform"
-                        << "--server"
+                        // << "--server"  // Can lead to zombie servers
                         << "--listen" << QString("*:%1").arg(m_localDebugServerPort.toString());
         m_debugServerProcess.reset(AndroidManager::runAdbCommandDetached(lldbServerArgs, &lldbServerErr));