Update TEST_MAPPING am: d3898c6646 am: f12bae4ac5 am: f0ffefb371 am: 9e888dc357 am: 410213ad08

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/rand_xorshift/+/2107128

Change-Id: If4b93d762b86c74b40cab9bd4062049e50aab827
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

TEST_MAPPING

diff --git a/TEST_MAPPING b/TEST_MAPPING
index ae94940..bafddc5 100644
--- a/TEST_MAPPING
+++ b/TEST_MAPPING
@@ -5,6 +5,11 @@
       "path": "external/rust/crates/ryu"
     }
   ],
+  "postsubmit": [
+    {
+      "name": "rand_xorshift_test_tests_mod"
+    }
+  ],
   "presubmit": [
     {
       "name": "rand_xorshift_test_tests_mod"