aconfig: add storage flag read api integration tests to test mapping

      // that using the flag macros to do filtering will get affected.

      "name": "FlagMacrosTests"

    }

  ],

  "postsubmit": [

    {

      // aconfig_storage read api rust integration tests

      "name": "aconfig_storage.test.rust"

    },

    {

      // aconfig_storage read api cpp integration tests

      "name": "aconfig_storage.test.cpp"

    }

  ]

}