commit 9c2acc176011717d18322c03313143524801f247
author Hugo Benichi <hugobenichi@google.com> Sat Jun 17 13:14:12 2017 +0900
committer Hugo Benichi <hugobenichi@google.com> Tue Jun 20 10:06:44 2017 +0900
tree 0b7a428371f6ad2b5b6a2c16389cd26171ea7cd9
parent c0abb4e4ff2b6516cb103bccfbf4f0ac03bd27c5

Better errors from unregisterNetworkCallback

This patch changes the validation of unregisterNetworkCallback in
ConnectivityManager so that the caller can better distinguish the case
of a callback that was never registered from the case of a callback that
has already been unregistered.

Bug: 62497809
Test: runtest frameworks-net passes
Merged-In: I58eda22725dd4e67dc4b64207e38cf482032df10

(cherry picked from commit 605b295011be74c786a2eef586d31ccb07160422)

Change-Id: I4d2be5d9037cfec03218b702d707f50808ee0694