Alloc and manage CLLocationManager on main thread
Alloc and manage CLLocationManager on main thread

fbshipit-source-id: 0afc9c3

exponentjs/exponent,exponentjs/exponent,exponent/exponent,exponentjs/exponent,exponent/exponent,jolicloud/exponent,exponentjs/exponent,exponentjs/exponent,exponent/exponent,exponentjs/exponent,exponent/exponent,jolicloud/exponent,exponent/exponent,jolicloud/exponent,exponent/exponent,exponent/exponent,jolicloud/exponent,exponentjs/exponent,jolicloud/exponent,jolicloud/exponent,jolicloud/exponent,exponent/exponent,exponent/exponent,exponentjs/exponent,jolicloud/exponent,jolicloud/exponent,exponentjs/exponent