Enable preupload hook script to check java paths.

Bug: 203542767
Test: presubmit
Change-Id: I9f7052123a503ff5dd067557b023125f1d93e1b1
diff --git a/PREUPLOAD.cfg b/PREUPLOAD.cfg
index 9524bc0..0771489 100644
--- a/PREUPLOAD.cfg
+++ b/PREUPLOAD.cfg
@@ -9,3 +9,4 @@
 
 [Hook Scripts]
 do_not_use_DO_NOT_MERGE = ${REPO_ROOT}/build/soong/scripts/check_do_not_merge.sh ${PREUPLOAD_COMMIT}
+check_java_paths = ${REPO_ROOT}/frameworks/libs/modules-utils/tools/check_java_paths.py