tree 4db231c2b496655bbf1ca764783fe351f506d3e2
parent e629c067308964659a5886921642920cd2e1f2f4
author Wei Wang <weiwa@google.com> 1455694721 -0800
committer Wei Wang <weiwa@google.com> 1455873154 -0800

Disallow duplicate listeners for WifiScanner.

Bug:26663377

Change-Id: I2eea0fd3532c45f493aad7c0d5c28bda07f5bfed