Improve AudioPolicyManager dump, Part 2

- Align devices representation between various parts of the dump.
- Align device and mix ports format in the patches dump.

This allows unified searching of devices and port instances.

Bug: 205884982
Test: adb shell dumpsys media.audio_policy
Change-Id: I9c96ff8214c003dd4af2b9cb74d261b4f4423227