bugfix: add sys_prod path to system-sandbox

1）把sys_prod目录添加到system-sandbox沙盒中。
Signed-off-by: Nhandyohos <zhangxiaotian@huawei.com>
Change-Id: If6abc8c581491962eb462d6eb94609b3b0688af6

interfaces/innerkits/sandbox/system-sandbox.json

@@ -56,6 +56,10 @@
             "src-path" : "/storage",
             "sandbox-path" : "/storage",
             "sandbox-flags" : [ "bind", "rec", "private" ]
+        }, {
+            "src-path" : "/sys_prod",
+            "sandbox-path" : "/sys_prod",
+            "sandbox-flags" : [ "bind", "rec", "private" ]
         }
     ],
     "mount-bind-files" : [{
@@ -71,4 +75,4 @@
             "link-name" : "/etc"
         }
     ]
-}
\ No newline at end of file
+}