Squashed 'third_party/protobuf/' content from commit e35e248

Change-Id: I6cbe123d09fe50fdcad0e51466665daeee7433c7
git-subtree-dir: third_party/protobuf
git-subtree-split: e35e24800fb8d694bdeea5fd63dc7d1b14d68723
diff --git a/util/python/BUILD b/util/python/BUILD
new file mode 100644
index 0000000..358c381
--- /dev/null
+++ b/util/python/BUILD
@@ -0,0 +1,8 @@
+# This is a placeholder for python headers. Projects needing to use
+# fast cpp protos in protobuf's python interface should build with
+# --define=use_fast_cpp_protos=true, and in addition, provide
+# //util/python:python_headers dependency that in turn provides Python.h.
+cc_library(
+    name = "python_headers",
+    visibility = ["//visibility:public"],
+)