Reformat .bp files

Bug: 179354495
Test: m nothing
Change-Id: Ie7ed8eddb08a575d5c32245827822b4115bcfba6
diff --git a/PREUPLOAD.cfg b/PREUPLOAD.cfg
index c0ddf19..9524bc0 100644
--- a/PREUPLOAD.cfg
+++ b/PREUPLOAD.cfg
@@ -1,4 +1,5 @@
 [Builtin Hooks]
+bpfmt = true
 clang_format = true
 commit_msg_changeid_field = true
 commit_msg_test_field = true