Fix NPE in NsdServiceTest

Continuous test dashboards report that quit() can crash sometimes
due to mThread being null.

This patch adds a null guard in tearDown().

Bug: 32561414
Test: runtest frameworks-net
Change-Id: If66fb47e31e77d25b4741a786f12eb78f0b9102e
1 file changed
tree: 47b2fa438411d66105ffec6a0c3305b839bd11f5
  1. core/
  2. services/
  3. tests/