Include custom conversion classes in desugar library configuration

The custom conversion classes are referenced from the configuration
(specified in the JSON file), and is now part of of the desugar
library configuration maven artifact.

Bug: 145393922
Change-Id: I8ebe654e177abed8ad05259774d360b09e8c76de
diff --git a/tools/archive.py b/tools/archive.py
index ff0f3db..c24babb 100755
--- a/tools/archive.py
+++ b/tools/archive.py
@@ -140,6 +140,7 @@
     utils.D8,
     utils.R8LIB,
     utils.R8LIB_NO_DEPS,
+    utils.LIBRARY_DESUGAR_CONVERSIONS,
     '-Pno_internal'
   ])
 
@@ -235,7 +236,9 @@
         with utils.TempDir() as tmp_dir:
           desugar_jdk_libs_configuration_jar = os.path.join(tmp_dir, jar_name)
           create_maven_release.generate_jar_with_desugar_configuration(
-              utils.DESUGAR_CONFIGURATION, desugar_jdk_libs_configuration_jar)
+              utils.DESUGAR_CONFIGURATION,
+              utils.LIBRARY_DESUGAR_CONVERSIONS_ZIP,
+              desugar_jdk_libs_configuration_jar)
 
           if options.dry_run:
             print('Dry run, not actually creating maven repo for '