tree 1faf37862651a376b7feddb7b63cb3a8d1bbd75b
parent 8ee78e6a1d46e1fe02943dee31105d2261c5a406
author jiabin <jiabin@google.com> 1558112608 -0700
committer jiabin <jiabin@google.com> 1558656363 -0700

Detect routing device changed or not for routing changed callback test.

Detect if the routing device changed or not after calling
setPreferredDevice could help make the test more robust.

Test: atest RoutingTest
Bug: 132323652
Change-Id: Iba1d60e544e1745a40009df7b1881fd82b155161