Merge pull request #1511 from aws/zoewang/ec2

Allow backwards-incompatible ec2 changes.

Author: zoewangg

pom.xml

@@ -515,8 +515,8 @@
                             <exclude>software.amazon.awssdk.protocols.json.BaseAwsJsonProtocolFactory</exclude>
                             <exclude>software.amazon.awssdk.services.macie2.model.*</exclude>
 
-                            <!-- codebuild update -->
-                            <exclude>software.amazon.awssdk.services.codebuild.*</exclude>
+                            <!-- ec2 update -->
+                            <exclude>software.amazon.awssdk.services.ec2.*</exclude>
                         </excludes>
 
                         <excludeModules>