Squashed 'third_party/boostorg/function_types/' content from commit ae4fde2

Change-Id: I946aaade9862a3a50fdce89fbc618c914b0edae6
git-subtree-dir: third_party/boostorg/function_types
git-subtree-split: ae4fde2e2ae88291d6d656137169ff4003d184a1
diff --git a/build/timestamps/encoding b/build/timestamps/encoding
new file mode 100644
index 0000000..f91091c
--- /dev/null
+++ b/build/timestamps/encoding
@@ -0,0 +1 @@
+timestamp file