small update to the ADT installation steps based on new ADT UI
small update to the ADT installation steps based on new ADT UI

Change-Id: I1c3ddfcb6188dd0bdc87a2b2e8241dfd7fcaa4dc

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base