Add OWNERS am: 2058213ca3 am: a151f82134

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/structopt/+/1356008

Change-Id: If35d6403864530c9eabaa45acf067a8b78725d4b
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..46fc303
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1 @@
+include platform/prebuilts/rust:/OWNERS