PowerLog: Add dump prefix to powerlog
am: 62c9b88007

Change-Id: I6baff6c571f02507ec90bf8c238b85be0a373c01
tree: f0b0bd2c758d03fbf3b7a346231ed34e6f174ffb
  1. hal/
  2. legacy/
  3. post_proc/
  4. visualizer/
  5. voice_processing/
  6. Android.mk