Update retryable

Per Jeff, don't handle CDS requests yet.

SignalServiceKit/src/Contacts/OWSContactDiscoveryOperation.swift

@@ -249,7 +249,9 @@ class CDSBatchOperation: OWSOperation {
     }
 
     private func attestationFailure(error: Error) {
-        self.reportError(ContactDiscoveryError.attestationError(underlyingError: error))
+        let attestationError: NSError = ContactDiscoveryError.attestationError(underlyingError: error) as NSError
+        attestationError.isRetryable = false
+        self.reportError(attestationError)
     }
 
     private func makeContactDiscoveryRequest(remoteAttestation: RemoteAttestation) {
@@ -295,9 +297,11 @@ class CDSBatchOperation: OWSOperation {
                                                 return
                                             }
 
-                                            // TODO CDS ratelimiting
                                             guard response.statusCode != 413 else {
-                                                let rateLimitError = OWSErrorWithCodeDescription(OWSErrorCode.contactsUpdaterRateLimit, "Contacts Intersection Rate Limit")
+                                                let rateLimitError: NSError = OWSErrorWithCodeDescription(OWSErrorCode.contactsUpdaterRateLimit, "Contacts Intersection Rate Limit") as NSError
+
+                                                // TODO CDS ratelimiting, handle Retry-After header if available
+                                                rateLimitError.isRetryable = false
                                                 self.reportError(rateLimitError)
                                                 return
                                             }
@@ -312,6 +316,8 @@ class CDSBatchOperation: OWSOperation {
                                             guard response.statusCode / 100 != 5 else {
                                                 let serverError = ContactDiscoveryError.serverError(underlyingError: error) as NSError
                                                 serverError.isRetryable = (error as NSError).isRetryable
+
+                                                // TODO CDS ratelimiting, handle Retry-After header if available
                                                 self.reportError(serverError)
                                                 return
                                             }

SignalServiceKit/src/Network/API/TSNetworkManager.m

@@ -200,11 +200,13 @@ typedef void (^failureBlock)(NSURLSessionDataTask *task, NSError *error);
           case 403: {
               DDLogError(
                   @"The server returned an authentication failure: %@, %@", networkError.debugDescription, request);
+              error.isRetryable = NO;
               failureBlock(task, error);
               break;
           }
           case 404: {
               DDLogError(@"The requested resource could not be found: %@, %@", networkError.debugDescription, request);
+              error.isRetryable = NO;
               failureBlock(task, error);
               break;
           }