Add README.version.

Bug: 31182886
Test: None
Change-Id: I865778dac8f5f8a6ceaa87e8d4a652b8ab607e02
diff --git a/README.version b/README.version
new file mode 100644
index 0000000..53826c6
--- /dev/null
+++ b/README.version
@@ -0,0 +1,4 @@
+URL: https://github.com/google/wycheproof
+Version: c89a32e
+BugComponent: 24949
+Owners: flooey, android-libcore-team