remove duplicate version definition
- google-api-java-client/google-api-client-assembly/android-properties (make the filenames match the version here)
- Internally, update the default features.json file
-->
- <project.http-client.version>1.27.1-SNAPSHOT</project.http-client.version><!-- {x-version-update:google-http-client-parent:current} -->
<project.http-client.version>1.28.1-SNAPSHOT</project.http-client.version><!-- {x-version-update:google-http-client-parent:current} -->
<project.http-client-apache.version>2.0.1-SNAPSHOT</project.http-client-apache.version><!-- {x-version-update:google-http-client-apache:current} -->
<project.appengine.version>1.9.64</project.appengine.version>
