added a commit message checker

Bug: 36661182
Fix: 36661182
Test: Uploading this commit with and without files & keywords
Change-Id: I0b6806443eb623f0a18403dfe6fd2a317c8aaab8
diff --git a/PREUPLOAD.cfg b/PREUPLOAD.cfg
index 8429cf6..3e39a38 100644
--- a/PREUPLOAD.cfg
+++ b/PREUPLOAD.cfg
@@ -14,6 +14,7 @@
 acts_import_test_utils_test = ./acts/framework/tests/acts_import_test_utils_test.py
 acts_import_unit_test = ./acts/framework/tests/acts_import_unit_test.py
 acts_relay_controller_test = ./acts/framework/tests/acts_relay_controller_test.py
+commit_message_hook = ./tools/commit_message_check.py
 yapf_hook = ./tools/yapf_checker.py
 
 [Builtin Hooks]