HADOOP-14273. Azure: NativeAzureFileSystem should respect config for kerberosSupportEnabled flag. Contributed by Santhosh G Nayak

(cherry picked from commit 56ab02eed9b61e1c80605104dfc4c87fc6abac96)

hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azure/NativeAzureFileSystem.java

@@ -1287,6 +1287,8 @@ public class NativeAzureFileSystem extends FileSystem {
 
     this.azureAuthorization = useSecureMode &&
         conf.getBoolean(KEY_AZURE_AUTHORIZATION, DEFAULT_AZURE_AUTHORIZATION);
+    this.kerberosSupportEnabled =
+        conf.getBoolean(Constants.AZURE_KERBEROS_SUPPORT_PROPERTY_NAME, false);
 
     if (this.azureAuthorization) {