Add OWNERS am: 8ab15242e4 am: 46f4f64070

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/proc-macro-error/+/1356529

Change-Id: Ib34eeeec78bac123a4936885042c0131e6ccffec
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