Remove circular reference in EXReactAppManager when loading source fails
Remove circular reference in EXReactAppManager when loading source fails

fbshipit-source-id: 9347366

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