am 8c5b3e2f: Change browser reliability test to start a new activity for each url

Merge commit '8c5b3e2fa60e29e45c97bf83b2aa8c6505987f82'

* commit '8c5b3e2fa60e29e45c97bf83b2aa8c6505987f82':
  Change browser reliability test to start a new activity for each url