Fix desugared library 11 jdk flag

Change-Id: Ia1d47a71bb437de5e396b20bf81b536e60c704d7
diff --git a/tools/archive_desugar_jdk_libs.py b/tools/archive_desugar_jdk_libs.py
index 18e6be2..733e59b 100755
--- a/tools/archive_desugar_jdk_libs.py
+++ b/tools/archive_desugar_jdk_libs.py
@@ -108,7 +108,7 @@
         'build',
         'maven_release' + ('_jdk11' if variant == 'jdk11' else '')]
     utils.PrintCmd(cmd)
-    subprocess.check_call(cmd)
+    subprocess.check_call(cmd, env=GetJavaEnv())
     cmd = [bazel, 'shutdown']
     utils.PrintCmd(cmd)
     subprocess.check_call(cmd, env=GetJavaEnv())