Fix usage of javax.annotation (#6645)

* Fix usage of javax.annotation:javax.annotation-api

* Regenerate samples

```
bin/generate-samples.sh bin/configs/java-* bin/configs/jaxrs-* bin/configs/spring-* bin/configs/kotlin-* bin/configs/other/java-* bin/configs/other/jaxrs-* bin/configs/other/kotlin-* bin/configs/other/openapi3/jaxrs-cxf-client.yaml bin/configs/other/openapi3/kotlin-*
```

samples/server/petstore/java-play-framework-api-package-override/app/apimodels/Category.java

@@ -8,7 +8,7 @@ import javax.validation.constraints.*;
 /**
  * A category for a pet
  */
-
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaPlayFrameworkCodegen")
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class Category   {
   @JsonProperty("id")

samples/server/petstore/java-play-framework-api-package-override/app/apimodels/ModelApiResponse.java

@@ -8,7 +8,7 @@ import javax.validation.constraints.*;
 /**
  * Describes the result of uploading an image resource
  */
-
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaPlayFrameworkCodegen")
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class ModelApiResponse   {
   @JsonProperty("code")

samples/server/petstore/java-play-framework-api-package-override/app/apimodels/Order.java

@@ -9,7 +9,7 @@ import javax.validation.constraints.*;
 /**
  * An order for a pets from the pet store
  */
-
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaPlayFrameworkCodegen")
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class Order   {
   @JsonProperty("id")

samples/server/petstore/java-play-framework-api-package-override/app/apimodels/Pet.java

@@ -12,7 +12,7 @@ import javax.validation.constraints.*;
 /**
  * A pet for sale in the pet store
  */
-
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaPlayFrameworkCodegen")
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class Pet   {
   @JsonProperty("id")

samples/server/petstore/java-play-framework-api-package-override/app/apimodels/Tag.java

@@ -8,7 +8,7 @@ import javax.validation.constraints.*;
 /**
  * A tag for a pet
  */
-
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaPlayFrameworkCodegen")
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class Tag   {
   @JsonProperty("id")

samples/server/petstore/java-play-framework-api-package-override/app/apimodels/User.java

@@ -8,7 +8,7 @@ import javax.validation.constraints.*;
 /**
  * A User who is purchasing from the pet store
  */
-
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaPlayFrameworkCodegen")
 @SuppressWarnings({"UnusedReturnValue", "WeakerAccess"})
 public class User   {
   @JsonProperty("id")

samples/server/petstore/java-play-framework-api-package-override/app/com/puppies/store/apis/PetApiController.java

@@ -23,7 +23,7 @@ import play.Configuration;
 
 import openapitools.OpenAPIUtils.ApiAction;
 
-
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaPlayFrameworkCodegen")
 public class PetApiController extends Controller {
 
     private final PetApiControllerImpInterface imp;

samples/server/petstore/java-play-framework-api-package-override/app/com/puppies/store/apis/PetApiControllerImp.java

@@ -11,7 +11,7 @@ import java.util.HashMap;
 import java.util.LinkedHashSet;
 import java.io.FileInputStream;
 import javax.validation.constraints.*;
-
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaPlayFrameworkCodegen")
 public class PetApiControllerImp implements PetApiControllerImpInterface {
     @Override
     public void addPet(Pet body) throws Exception {

samples/server/petstore/java-play-framework-api-package-override/app/com/puppies/store/apis/StoreApiController.java

@@ -22,7 +22,7 @@ import play.Configuration;
 
 import openapitools.OpenAPIUtils.ApiAction;
 
-
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaPlayFrameworkCodegen")
 public class StoreApiController extends Controller {
 
     private final StoreApiControllerImpInterface imp;

samples/server/petstore/java-play-framework-api-package-override/app/com/puppies/store/apis/StoreApiControllerImp.java

@@ -10,7 +10,7 @@ import java.util.HashMap;
 import java.util.LinkedHashSet;
 import java.io.FileInputStream;
 import javax.validation.constraints.*;
-
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaPlayFrameworkCodegen")
 public class StoreApiControllerImp implements StoreApiControllerImpInterface {
     @Override
     public void deleteOrder(String orderId) throws Exception {

samples/server/petstore/java-play-framework-api-package-override/app/com/puppies/store/apis/UserApiController.java

@@ -22,7 +22,7 @@ import play.Configuration;
 
 import openapitools.OpenAPIUtils.ApiAction;
 
-
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaPlayFrameworkCodegen")
 public class UserApiController extends Controller {
 
     private final UserApiControllerImpInterface imp;

samples/server/petstore/java-play-framework-api-package-override/app/com/puppies/store/apis/UserApiControllerImp.java

@@ -10,7 +10,7 @@ import java.util.HashMap;
 import java.util.LinkedHashSet;
 import java.io.FileInputStream;
 import javax.validation.constraints.*;
-
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaPlayFrameworkCodegen")
 public class UserApiControllerImp implements UserApiControllerImpInterface {
     @Override
     public void createUser(User body) throws Exception {