AudioTrack: Log sample rate changes from setSampleRate

Test: atest AudioTrackTest
Test: adb shell dumpsys media.metrics | grep setSampleRate
Bug: 346448626
Change-Id: I3f2de0fdf8df63b38b039f4f379c1c38c0a499b4
diff --git a/media/libaudioclient/AudioTrack.cpp b/media/libaudioclient/AudioTrack.cpp
index 58e4920..85cc9bd 100644
--- a/media/libaudioclient/AudioTrack.cpp
+++ b/media/libaudioclient/AudioTrack.cpp
@@ -1174,6 +1174,13 @@
     mSampleRate = rate;
     mProxy->setSampleRate(effectiveSampleRate);
 
+    mediametrics::LogItem(mMetricsId)
+            .set(AMEDIAMETRICS_PROP_EVENT, AMEDIAMETRICS_PROP_EVENT_VALUE_SETSAMPLERATE)
+            .set(AMEDIAMETRICS_PROP_PREFIX_EFFECTIVE AMEDIAMETRICS_PROP_SAMPLERATE,
+                    static_cast<int32_t>(effectiveSampleRate))
+            .set(AMEDIAMETRICS_PROP_SAMPLERATE, static_cast<int32_t>(rate))
+            .record();
+
     return NO_ERROR;
 }