Android: Setup lldb-server path in AndroidRunner

Currently unused, guarded by an always-false m_useLldb flag.

Change-Id: Icedfa4bace3d5160cdc3d4fbcf72a22d74d0aa0f
Reviewed-by: BogDan Vatra <bogdan@kdab.com>

src/plugins/android/androidrunnerworker.h

@@ -101,6 +101,7 @@ private:
     QRegExp m_logCatRegExp;
     QFuture<qint64> m_pidFinder;
     bool m_useCppDebugger = false;
+    bool m_useLldb = false; // FIXME: Un-implemented currently.
     QmlDebug::QmlDebugServicesPreset m_qmlDebugServices;
     Utils::Port m_localDebugServerPort; // Local end of forwarded debug socket.
     QUrl m_qmlServer;