Fix potential overflow in Visualizer effect
am: 57ac66340a

Change-Id: I3c8e2f9ee860ac37dc53e9766f12d16f113e82e9
tree: 94e5f8c2a6857bc4482033fe89e2e0b152a9f091
  1. hal/
  2. legacy/
  3. visualizer/
  4. voice_processing/
  5. Android.mk