Android: Handle offline state

Task-number: QTCREATORBUG-11056
Change-Id: I81b58d08b66b4fb8322e5c6c4935ddfb9470318f
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@digia.com>

src/plugins/android/androidconfigurations.h

@@ -56,6 +56,8 @@ struct AndroidDeviceInfo
     QString serialNumber;
     QStringList cpuAbi;
     int sdk;
+    enum State { OkState, UnAuthorizedState, OfflineState };
+    State state;
     bool unauthorized;
     enum AndroidDeviceType { Hardware, Emulator };
     AndroidDeviceType type;