Stabilize audio playback types used by the HAL

The following types used to be framework-only (belonging
to android.media package). Since they need to be used
by the HAL, move them to stable android.media.audio.common
types package:
  - AudioDualMonoMode
  - LatencyMode -> AudioLatencyMode
  - AudioPlaybackRate

Bug: 175167149
Bug: 205884982
Test: m
Change-Id: I6cbe34d3b343fbefb0ae56e00dbf8360184e7b72
Merged-In: I6cbe34d3b343fbefb0ae56e00dbf8360184e7b72
diff --git a/services/audioflinger/Threads.cpp b/services/audioflinger/Threads.cpp
index cf2aaed..70f254f 100644
--- a/services/audioflinger/Threads.cpp
+++ b/services/audioflinger/Threads.cpp
@@ -271,8 +271,8 @@
 
 static std::string toString(audio_latency_mode_t mode) {
     // We convert to the AIDL type to print (eventually the legacy type will be removed).
-    const auto result = legacy2aidl_audio_latency_mode_t_LatencyMode(mode);
-    return result.has_value() ? media::toString(*result) : "UNKNOWN";
+    const auto result = legacy2aidl_audio_latency_mode_t_AudioLatencyMode(mode);
+    return result.has_value() ? media::audio::common::toString(*result) : "UNKNOWN";
 }
 
 // Could be made a template, but other toString overloads for std::vector are confused.