audioflinger: Dump software patches

Example output:

    Software patches:
      Patch 44: thread 0xa6d83900 => thread 0xa7dfe000

This helps to identify threads used for the patch.

Test: adb shell dumpsys media.audio_flinger
Change-Id: I6c70945abd8e4abd46cd0311559d35efb6127555
3 files changed