Override requiresMainQueueSetup on iOS
Override requiresMainQueueSetup on iOS

We need this because we implement `constantsToExport`, as we were told by this warning saying that the module `requires main queue setup since it overrides constantsToExportbut doesn't implement requiresMainQueueSetup. In a future release React Native will default to initializing all native modules on a background thread unless explicitly opted-out of.`

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