Fix timeout on NetworkAgentTest callback

All callbacks in the class use the DEFAULT_TIMEOUT_MS, except for this recently
added test.

The test is currently flaky in various branches.
Fixes: 174716714
Fixes: 174691729
Change-Id: I9f4446bb83eb4402c912292ac31d46e1d2cb6a52
Test: TH
1 file changed
tree: 8e6654deb3c8c17f746364dd1005190b9d9a30cf
  1. tests/
  2. Tethering/
  3. .gitignore
  4. OWNERS
  5. PREUPLOAD.cfg
  6. TEST_MAPPING