Enable cpplint pre-upload repo hook in AOSP. am: 62414d77f9 am: 2794432048 am: c95de01006
am: 36296514ec

Change-Id: Icd21be090dabb7a2e678d49d37a46bf09278eb15
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