aconfig: add rust integration test for aconfig_storage_write_api

Bug: b/312444587
Test: atest aconfig_storage_write_api.test.rust
Change-Id: I05f992ea93a19507ad865e97315c128473841a33
diff --git a/tools/aconfig/TEST_MAPPING b/tools/aconfig/TEST_MAPPING
index 4acbe60..2f1694b 100644
--- a/tools/aconfig/TEST_MAPPING
+++ b/tools/aconfig/TEST_MAPPING
@@ -78,6 +78,10 @@
       "name": "aconfig_storage_read_api.test"
     },
     {
+      // aconfig_storage write api rust integration tests
+      "name": "aconfig_storage_write_api.test.rust"
+    },
+    {
       // aconfig_storage read api rust integration tests
       "name": "aconfig_storage_read_api.test.rust"
     },