libsync: OWNERS.

Based on git shortlog and my memory.

Bug: N/A
Test: N/A
Change-Id: I2e821a1214c349fd75f2971f632de3d30c602b83
diff --git a/libsync/OWNERS b/libsync/OWNERS
new file mode 100644
index 0000000..dc61733
--- /dev/null
+++ b/libsync/OWNERS
@@ -0,0 +1,3 @@
+ghackmann@google.com
+jessehall@google.com
+marissaw@google.com