Clean up error logging audio device type collection.

There are some usages of very verbose logging audio device type
collection as unsigned int, which is missed in previous refactoring CLs
since they are not shown up without enabling very verbose log.

Bug: 148110286
Test: make with enabling very verbose log in AF and AP
Change-Id: If31b7e3dd7b094e011cb88dcb4a5d0c3e8d81bd4
diff --git a/services/audiopolicy/enginedefault/src/Engine.cpp b/services/audiopolicy/enginedefault/src/Engine.cpp
index a3fa974..a7d7cf6 100755
--- a/services/audiopolicy/enginedefault/src/Engine.cpp
+++ b/services/audiopolicy/enginedefault/src/Engine.cpp
@@ -463,8 +463,8 @@
                  "getDevicesForStrategy() no default device defined");
     }
 
-    ALOGVV("getDevices"
-           "ForStrategy() strategy %d, device %x", strategy, devices.types());
+    ALOGVV("getDevices ForStrategy() strategy %d, device %s",
+           strategy, dumpDeviceTypes(devices.types()).c_str());
     return devices;
 }
 
@@ -636,8 +636,9 @@
                 String8(preferredStrategyDevice.mAddress.c_str()),
                 AUDIO_FORMAT_DEFAULT);
         if (preferredAvailableDevDescr != nullptr) {
-            ALOGVV("%s using pref device 0x%08x/%s for strategy %u", __FUNCTION__,
-                   preferredStrategyDevice.mType, preferredStrategyDevice.mAddress, strategy);
+            ALOGVV("%s using pref device 0x%08x/%s for strategy %u",
+                   __func__, preferredStrategyDevice.mType,
+                   preferredStrategyDevice.mAddress.c_str(), strategy);
             return DeviceVector(preferredAvailableDevDescr);
         }
     }