[android] #5541 - add a MapboxAcountManagerNotStartedException when calling getInstance when not started. [android] #5541 - fixes using access tokens in attributes & MapboxMapOptions [android] #5541 - improved MapboxAccountManager exception message
[android] #5541 - add a MapboxAcountManagerNotStartedException when calling getInstance when not started. [android] #5541 - fixes using access tokens in attributes & MapboxMapOptions [android] #5541 - improved MapboxAccountManager exception message