binderRpcBenchmark: disable on mac

libbinder doesn't work on mac host.

Fixes: 185536549
Test: N/A
Change-Id: I5d1eb4fde54ea1a7868f1b3c728b952aef19ff1a
diff --git a/libs/binder/tests/Android.bp b/libs/binder/tests/Android.bp
index e39408c..f303b7c 100644
--- a/libs/binder/tests/Android.bp
+++ b/libs/binder/tests/Android.bp
@@ -155,6 +155,11 @@
     name: "binderRpcBenchmark",
     defaults: ["binder_test_defaults"],
     host_supported: true,
+    target: {
+        darwin: {
+            enabled: false,
+        },
+    },
     srcs: [
         "binderRpcBenchmark.cpp",
         "IBinderRpcBenchmark.aidl",