Add binder_sdk_test to postsubmit

Bug: 285204695
Test: postsubmit
Change-Id: Ibcd161c822cb7ebf02b7470c1c28ee9e0c5dffd7
diff --git a/libs/binder/TEST_MAPPING b/libs/binder/TEST_MAPPING
index 2b3ff44..1256173 100644
--- a/libs/binder/TEST_MAPPING
+++ b/libs/binder/TEST_MAPPING
@@ -129,6 +129,12 @@
       "name": "memunreachable_binder_test"
     }
   ],
+  "postsubmit": [
+    {
+      "name": "binder_sdk_test",
+      "host": true
+    }
+  ],
   "imports": [
     {
       "path": "packages/modules/Virtualization"