[automerger] WNM: Fix WNM-Sleep Mode Request bounds checking am: 7a543744db am: 4069976836 am: 5049aa2d74 am: fa9a73bdd4 am: 778267c63d
am: e28ce41390

Change-Id: Ic904957acd4ee6900d8ffb19b209353a0861b6f8