Include IAM policy builder in the SDK bundle. (#4201)

Author: millems

aws-sdk-java/pom.xml

@@ -418,6 +418,11 @@ Amazon AutoScaling, etc).</description>
             <artifactId>iam</artifactId>
             <version>${awsjavasdk.version}</version>
         </dependency>
+        <dependency>
+            <groupId>software.amazon.awssdk</groupId>
+            <artifactId>iam-policy-builder</artifactId>
+            <version>${awsjavasdk.version}</version>
+        </dependency>
         <dependency>
             <groupId>software.amazon.awssdk</groupId>
             <artifactId>inspector</artifactId>