Disable mac build for minijail_sys crate am: 6f9654db00 am: 5dc5bc40e9 am: 38e5dea8f4

Change-Id: Ic444d70bb071db4663ae831ef51821243fd9fcfb
diff --git a/Android.bp b/Android.bp
index 687a366..aea2a03 100644
--- a/Android.bp
+++ b/Android.bp
@@ -430,4 +430,9 @@
     shared_libs: [
         "libcap",
     ],
+    target: {
+        darwin: {
+            enabled: false,
+        }
+    },
 }