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/AudioContainers.cpp b/media/libaudiofoundation/AudioContainers.cpp
index 3df9378..117d188 100644
--- a/media/libaudiofoundation/AudioContainers.cpp
+++ b/media/libaudiofoundation/AudioContainers.cpp
@@ -70,48 +70,34 @@
     return audioDeviceOutAllBleSet;
 }
 
-bool deviceTypesToString(const DeviceTypeSet &deviceTypes, std::string &str) {
+std::string deviceTypesToString(const DeviceTypeSet &deviceTypes) {
     if (deviceTypes.empty()) {
-        str = "Empty device types";
-        return true;
+        return "Empty device types";
     }
-    bool ret = true;
-    for (auto it = deviceTypes.begin(); it != deviceTypes.end();) {
-        std::string deviceTypeStr;
-        ret = audio_is_output_device(*it) ?
-              OutputDeviceConverter::toString(*it, deviceTypeStr) :
-              InputDeviceConverter::toString(*it, deviceTypeStr);
-        if (!ret) {
-            break;
+    std::stringstream ss;
+    for (auto it = deviceTypes.begin(); it != deviceTypes.end(); ++it) {
+        if (it != deviceTypes.begin()) {
+            ss << ", ";
         }
-        str.append(deviceTypeStr);
-        if (++it != deviceTypes.end()) {
-            str.append(" , ");
+        const char* strType = audio_device_to_string(*it);
+        if (strlen(strType) != 0) {
+            ss << strType;
+        } else {
+            ss << "unknown type:0x" << std::hex << *it;
         }
     }
-    if (!ret) {
-        str = "Unknown values";
-    }
-    return ret;
+    return ss.str();
 }
 
 std::string dumpDeviceTypes(const DeviceTypeSet &deviceTypes) {
-    std::string ret;
-    for (auto it = deviceTypes.begin(); it != deviceTypes.end();) {
-        std::stringstream ss;
-        ss << "0x" << std::hex << (*it);
-        ret.append(ss.str());
-        if (++it != deviceTypes.end()) {
-            ret.append(" , ");
+    std::stringstream ss;
+    for (auto it = deviceTypes.begin(); it != deviceTypes.end(); ++it) {
+        if (it != deviceTypes.begin()) {
+            ss << ", ";
         }
+        ss << "0x" << std::hex << (*it);
     }
-    return ret;
-}
-
-std::string toString(const DeviceTypeSet& deviceTypes) {
-    std::string ret;
-    deviceTypesToString(deviceTypes, ret);
-    return ret;
+    return ss.str();
 }
 
 } // namespace android
diff --git a/media/libaudiofoundation/AudioDeviceTypeAddr.cpp b/media/libaudiofoundation/AudioDeviceTypeAddr.cpp
index 26eea87..4a7e956 100644
--- a/media/libaudiofoundation/AudioDeviceTypeAddr.cpp
+++ b/media/libaudiofoundation/AudioDeviceTypeAddr.cpp
@@ -100,10 +100,13 @@
 
 std::string AudioDeviceTypeAddr::toString(bool includeSensitiveInfo) const {
     std::stringstream sstream;
-    sstream << "type:0x" << std::hex << mType;
+    sstream << audio_device_to_string(mType);
+    if (sstream.str().empty()) {
+        sstream << "unknown type:0x" << std::hex << mType;
+    }
     // IP and MAC address are sensitive information. The sensitive information will be suppressed
     // is `includeSensitiveInfo` is false.
-    sstream << ",@:"
+    sstream << ", @:"
             << (!includeSensitiveInfo && mIsAddressSensitive ? SUPPRESSED : mAddress);
     return sstream.str();
 }
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(
diff --git a/media/libaudiofoundation/include/media/AudioContainers.h b/media/libaudiofoundation/include/media/AudioContainers.h
index 60b42fb..707ab68 100644
--- a/media/libaudiofoundation/include/media/AudioContainers.h
+++ b/media/libaudiofoundation/include/media/AudioContainers.h
@@ -131,14 +131,16 @@
     return deviceTypes;
 }
 
-bool deviceTypesToString(const DeviceTypeSet& deviceTypes, std::string &str);
+std::string deviceTypesToString(const DeviceTypeSet& deviceTypes);
 
 std::string dumpDeviceTypes(const DeviceTypeSet& deviceTypes);
 
 /**
  * Return human readable string for device types.
  */
-std::string toString(const DeviceTypeSet& deviceTypes);
+inline std::string toString(const DeviceTypeSet& deviceTypes) {
+    return deviceTypesToString(deviceTypes);
+}
 
 
 } // namespace android