Update TEST_MAPPING am: b06b014550 am: 53ea2fc26d am: 3f4f0dfa56

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/form_urlencoded/+/2106891

Change-Id: I9e87e3d784a1aade9ee4bae72d3bdfb330108366
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/TEST_MAPPING b/TEST_MAPPING
index 407ec5c..0c90fc8 100644
--- a/TEST_MAPPING
+++ b/TEST_MAPPING
@@ -8,6 +8,11 @@
       "path": "external/rust/crates/url"
     }
   ],
+  "postsubmit": [
+    {
+      "name": "doh_unit_test"
+    }
+  ],
   "presubmit": [
     {
       "name": "doh_unit_test"