Disable java backend for virtualmachineservice

Bug: 2871698
Test: Builds
Change-Id: Icef289c7ab70c6869a1ba78ac70b8c6cefa192c7
diff --git a/virtualizationservice/aidl/Android.bp b/virtualizationservice/aidl/Android.bp
index 91d91aa..c69fe8f 100644
--- a/virtualizationservice/aidl/Android.bp
+++ b/virtualizationservice/aidl/Android.bp
@@ -61,7 +61,7 @@
     unstable: true,
     backend: {
         java: {
-            sdk_version: "module_current",
+            enabled: false,
         },
         rust: {
             enabled: true,