Add OWNERS am: ac95cb0a6a am: 28b3a565e8

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/proc-macro-error-attr/+/1356484

Change-Id: I01df62adc2df0f5f50b1ef4e73ba7c67eeb9dc36
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