Enable cpplint pre-upload repo hook in AOSP. am: 62414d77f9 am: 2794432048
am: c95de01006

Change-Id: I5a41cddfad4d3b446cfbc650b40559eadf2dd3e7
diff --git a/PREUPLOAD.cfg b/PREUPLOAD.cfg
index 706dfa8..40ddcd1 100644
--- a/PREUPLOAD.cfg
+++ b/PREUPLOAD.cfg
@@ -1,3 +1,4 @@
 [Builtin Hooks]
 clang_format = true
+cpplint = true
 pylint = true