uwb: Allow Java backened jar to be created

Bug: 254568115
Test: Check for jar file in intermediate path
Change-Id: I36c0c356a5300f8ba31a1ab9a812740a8ea99335
diff --git a/uwb/aidl/Android.bp b/uwb/aidl/Android.bp
index 7dc2b7f..c537322 100755
--- a/uwb/aidl/Android.bp
+++ b/uwb/aidl/Android.bp
@@ -18,7 +18,11 @@
     backend: {
         java: {
             sdk_version: "module_Tiramisu",
-            enabled: false,
+            enabled: true,
+            apex_available: [
+                "//apex_available:platform",
+                "com.android.uwb",
+            ],
         },
         ndk: {
             apex_available: [