update-makefiles.sh: for partial Java pkgs

Packages which contain some non-supported Java types can still have
their Java-supported types used in Java.

Bug: 143566068
Test: mma
Change-Id: I2afc5cc8d0a1bd981108ee2b87d6033fd48bdb37
diff --git a/tests/trie/1.0/Android.bp b/tests/trie/1.0/Android.bp
index 5a33aea..3cb67c7 100644
--- a/tests/trie/1.0/Android.bp
+++ b/tests/trie/1.0/Android.bp
@@ -10,5 +10,5 @@
     interfaces: [
         "android.hidl.base@1.0",
     ],
-    gen_java: false,
+    gen_java: true,
 }