Baseline all the classes from Apache4 SDK client to the new Apache5 module

Author: joviegas

http-clients/apache5-client/pom.xml

@@ -33,6 +33,47 @@
         <artifactId>http-client-spi</artifactId>
         <version>${awsjavasdk.version}</version>
     </dependency>
+    <dependency>
+        <groupId>org.apache.httpcomponents.client5</groupId>
+        <artifactId>httpclient5</artifactId>
+        <version>5.4.4</version>
+    </dependency>
+    <dependency>
+        <groupId>org.apache.httpcomponents.core5</groupId>
+        <artifactId>httpcore5</artifactId>
+        <version>5.3.4</version>
+    </dependency>
+    <dependency>
+        <groupId>software.amazon.awssdk</groupId>
+        <artifactId>http-client-tests</artifactId>
+        <version>${awsjavasdk.version}</version>
+        <scope>test</scope>
+    </dependency>
+    <dependency>
+        <groupId>org.junit.jupiter</groupId>
+        <artifactId>junit-jupiter</artifactId>
+        <scope>test</scope>
+    </dependency>
+    <dependency>
+        <groupId>org.junit.vintage</groupId>
+        <artifactId>junit-vintage-engine</artifactId>
+        <scope>test</scope>
+    </dependency>
+    <dependency>
+        <groupId>org.assertj</groupId>
+        <artifactId>assertj-core</artifactId>
+        <scope>test</scope>
+    </dependency>
+    <dependency>
+        <groupId>org.hamcrest</groupId>
+        <artifactId>hamcrest-all</artifactId>
+        <scope>test</scope>
+    </dependency>
+    <dependency>
+        <groupId>com.github.tomakehurst</groupId>
+        <artifactId>wiremock-jre8</artifactId>
+        <scope>test</scope>
+    </dependency>
 </dependencies>
 
 <build>

http-clients/apache5-client/src/main/java/software/amazon/awssdk/http/apache5/Apache5HttpClient.java

@@ -0,0 +1,31 @@
+/*
+ * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License").
+ * You may not use this file except in compliance with the License.
+ * A copy of the License is located at
+ *
+ *  http://aws.amazon.com/apache2.0
+ *
+ * or in the "license" file accompanying this file. This file is distributed
+ * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
+ * express or implied. See the License for the specific language governing
+ * permissions and limitations under the License.
+ */
+
+package software.amazon.awssdk.http.apache5;
+
+import software.amazon.awssdk.annotations.SdkPublicApi;
+import software.amazon.awssdk.http.SdkHttpClient;
+import software.amazon.awssdk.http.SdkHttpService;
+
+/**
+ * Service binding for the Apache5 implementation.
+ */
+@SdkPublicApi
+public class Apache5SdkHttpService implements SdkHttpService {
+    @Override
+    public SdkHttpClient.Builder createHttpClientBuilder() {
+        return Apache5HttpClient.builder();
+    }
+}