am ebc351d2: am 34796907: am ddd85c18: Merge "resolve merge conflicts of 950a898 to lollipop-mr1-cts-dev." into lollipop-mr1-cts-dev

* commit 'ebc351d22eca8d2c566bc5e6283ee590597e8fb9':
  CTS test for PingPongRoot vulnerability