volume listener: provide more debugging info when effect desc is null

Since this is some abnormal condition, dump the volume effects list
regardless of the 'dumping_enable' flag state.

Bug: 63780779
Test: more debug info is provided when the error condition encountered
Change-Id: I4523414cbe4a9da1bcea6e181e115053cdcee9a9
1 file changed
tree: 46336f4e7b10d47c82fc67c8a2fe703803c1dc06
  1. hal/
  2. legacy/
  3. post_proc/
  4. visualizer/
  5. voice_processing/
  6. Android.mk