tree cf28d9275a23f52296086f52e80e0bb9e1a1d347
parent 0418fb43ba6825c19a5eb3fd479d3440d752f111
author Jeremy Woods <jbwoods@google.com> 1621631002 -0700
committer Jeremy Woods <jbwoods@google.com> 1621885083 +0000

Fix ConcurrentModificationException on the OnDestinationChangedListener

Go back to using the CopyOnWriteArrayList to ensure that
modifying the list of OnDestinationChangedListeners is safe.

RelNote: "You will no longer get a ConcurrentModificationException when
using OnDestinationChangedListeners."
Test: NavControllerTest
Bug: 188860458

Change-Id: Ib17074c773ed9462c6a69ad384c23e28fa8abaf6