Update TEST_MAPPING am: fcf1a422a3 am: d663ee7817 am: 439b0a48c1 am: 91e6fb92bb

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/argh_derive/+/2004425

Change-Id: I322faca9f7186650970ce352dcb0d5aaf7ed6363
diff --git a/TEST_MAPPING b/TEST_MAPPING
new file mode 100644
index 0000000..5cbb502
--- /dev/null
+++ b/TEST_MAPPING
@@ -0,0 +1,8 @@
+// Generated by update_crate_tests.py for tests that depend on this crate.
+{
+  "imports": [
+    {
+      "path": "external/rust/crates/argh"
+    }
+  ]
+}