Update TEST_MAPPING am: fe1ab1f8ce

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/futures-test/+/2411712

Change-Id: Ia73fd7ca29ee58f4b7800ef2b410229c6455b0a0
Signed-off-by: Automerger Merge Worker <[email protected]>
diff --git a/TEST_MAPPING b/TEST_MAPPING
index bbd34fa..339d5b0 100644
--- a/TEST_MAPPING
+++ b/TEST_MAPPING
@@ -1,5 +1,10 @@
 // Generated by update_crate_tests.py for tests that depend on this crate.
 {
+  "imports": [
+    {
+      "path": "external/rust/crates/futures-channel"
+    }
+  ],
   "presubmit": [
     {
       "name": "futures-test_test_src_lib"