commit 8673b7c5359070acff81ce6edff80990ea0e8ad5
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 2cc330338b79b6f126a78ce0880f7a77933ea2f6
parent 0857fbd6f50050c492006b087e3cb8608e318c5b

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