Support `loading.loadingIndicatorStyleExperimental`
Support `loading.loadingIndicatorStyleExperimental`

fbshipit-source-id: 9862882

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