Import ucd-trie crate.

Bug: 218275123
Change-Id: I5c78a829e52d23cae7a3e03d4874998339fc3d08
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..45dc4dd
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1 @@
+include platform/prebuilts/rust:master:/OWNERS