Merge 4f7c361df for LLVM update to 339409

Change-Id: Ica0ede7a62932c0e7222761117426230b4fd8e59
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..9591f08
--- /dev/null
+++ b/OWNERS
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+# Default maintainers and code reviewers:
+srhines@google.com
+pirama@google.com
+chh@google.com
+yikong@google.com