Include licenseInfo for all the generated java code files (#19273)

* Include license info for all the generated java code files

* Re-base generate

samples/client/echo_api/java/resttemplate/src/main/java/org/openapitools/client/ApiClient.java

@@ -1,3 +1,16 @@
+/*
+ * Echo Server API
+ * Echo Server API
+ *
+ * The version of the OpenAPI document: 0.1.0
+ * Contact: team@openapitools.org
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+
 package org.openapitools.client;
 
 import org.apache.commons.logging.Log;

samples/client/echo_api/java/resttemplate/src/main/java/org/openapitools/client/BaseApi.java

@@ -1,3 +1,16 @@
+/*
+ * Echo Server API
+ * Echo Server API
+ *
+ * The version of the OpenAPI document: 0.1.0
+ * Contact: team@openapitools.org
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+
 package org.openapitools.client;
 
 import org.springframework.web.client.RestClientException;

samples/client/echo_api/java/resttemplate/src/main/java/org/openapitools/client/ServerConfiguration.java

@@ -1,3 +1,16 @@
+/*
+ * Echo Server API
+ * Echo Server API
+ *
+ * The version of the OpenAPI document: 0.1.0
+ * Contact: team@openapitools.org
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+
 package org.openapitools.client;
 
 import java.util.Map;

samples/client/echo_api/java/resttemplate/src/main/java/org/openapitools/client/ServerVariable.java

@@ -1,3 +1,16 @@
+/*
+ * Echo Server API
+ * Echo Server API
+ *
+ * The version of the OpenAPI document: 0.1.0
+ * Contact: team@openapitools.org
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+
 package org.openapitools.client;
 
 import java.util.HashSet;

samples/client/echo_api/java/resttemplate/src/main/java/org/openapitools/client/auth/ApiKeyAuth.java

@@ -1,3 +1,16 @@
+/*
+ * Echo Server API
+ * Echo Server API
+ *
+ * The version of the OpenAPI document: 0.1.0
+ * Contact: team@openapitools.org
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+
 package org.openapitools.client.auth;
 
 import org.springframework.http.HttpHeaders;

samples/client/echo_api/java/resttemplate/src/main/java/org/openapitools/client/auth/Authentication.java

@@ -1,3 +1,16 @@
+/*
+ * Echo Server API
+ * Echo Server API
+ *
+ * The version of the OpenAPI document: 0.1.0
+ * Contact: team@openapitools.org
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+
 package org.openapitools.client.auth;
 
 import org.springframework.http.HttpHeaders;

samples/client/echo_api/java/resttemplate/src/main/java/org/openapitools/client/auth/HttpBasicAuth.java

@@ -1,3 +1,16 @@
+/*
+ * Echo Server API
+ * Echo Server API
+ *
+ * The version of the OpenAPI document: 0.1.0
+ * Contact: team@openapitools.org
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+
 package org.openapitools.client.auth;
 
 import java.nio.charset.StandardCharsets;

samples/client/echo_api/java/resttemplate/src/main/java/org/openapitools/client/auth/HttpBearerAuth.java

@@ -1,3 +1,16 @@
+/*
+ * Echo Server API
+ * Echo Server API
+ *
+ * The version of the OpenAPI document: 0.1.0
+ * Contact: team@openapitools.org
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+
 package org.openapitools.client.auth;
 
 import java.util.Optional;