Add OWNERS am: 8ab15242e4 am: 46f4f64070 am: 2714460ecf am: cc8812f747

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

Change-Id: If77c31565d1979a586b2d00a81d93176f55126b7
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