Fix usage of OWNERS.rust. am: bd99fbb19c am: bf82f93123 am: fa2dc83765

Original change: https://android-review.googlesource.com/c/platform/external/minijail/+/1678225

Change-Id: I5132174b9371913637f73c245769f18c67d34ef1
diff --git a/OWNERS b/OWNERS
index 62ca3c1..9615a27 100644
--- a/OWNERS
+++ b/OWNERS
@@ -4,5 +4,4 @@
 [email protected]
 [email protected]
 
-per-file Cargo.toml = file:/OWNERS.rust
-per-file *.rs = file:/OWNERS.rust
+per-file rust/** = file:/OWNERS.rust