Merge changes Ie19647cd,Ib62f4592,Ib7f90d94 into pi-dev

* changes:
  [AWARE] Add Latency measurement for a complete L2 end-to-end setup
  [AWARE] Update data analysis to extract CDF
  [AWARE] Update stress tests with PASS/FAIL critera
tree: 7ff0502d94b77fd52b2845b3db2d777a2e600415
  1. acts/
  2. tools/
  3. wts-acts/
  4. Android.mk
  5. PREUPLOAD.cfg