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
diff --git a/media/libaudiofoundation/DeviceDescriptorBase.cpp b/media/libaudiofoundation/DeviceDescriptorBase.cpp
index 88ba544..d3d7259 100644
--- a/media/libaudiofoundation/DeviceDescriptorBase.cpp
+++ b/media/libaudiofoundation/DeviceDescriptorBase.cpp
@@ -121,8 +121,7 @@
     if (extraInfo != nullptr) {
         dst->append(base::StringPrintf("%s; ", extraInfo));
     }
-    dst->append(base::StringPrintf("%s (%s)\n",
-                    audio_device_to_string(mDeviceTypeAddr.mType),
+    dst->append(base::StringPrintf("{%s}\n",
                     mDeviceTypeAddr.toString(true /*includeSensitiveInfo*/).c_str()));
 
     dst->append(base::StringPrintf(