[CaptivePortalTest] Fix captive portal test flakiness

Bug: 140202697
Test: Verified the changes
Change-Id: If2f516af63fd00bcb6b73786187a52fd098b33f4
1 file changed
tree: d40157bca0c6427af80adb363c410abfc2634b32
  1. acts/
  2. tools/
  3. wts-acts/
  4. Android.mk
  5. OWNERS
  6. PREUPLOAD.cfg