fix: update libcc to fix private APIs in mas build (electron#13529)

Cheng Zhao · web-flow · commit cb6ab4de2023 · 2018-07-03T11:24:43.000+09:00
diff --git a/vendor/libchromiumcontent b/vendor/libchromiumcontent
@@ -1 +1 @@
-Subproject commit 0628cd925e513bfd873524621a91834b366899f1
+Subproject commit 03e665c80b39a9c48e2fd57eac72154e6548225d
