Add the new DTS audio formats to metrics

- Add AUDIO_FORMAT_DTS_HD_MA (0x32000000)
- Add AUDIO_FORMAT_DTS_UHD_P2 (0x33000000)

Bug: 235469058
Change-Id: Idf565c729cb382a9d0acb8731aaaad1ee6cac8bc
Test: atest AudioTrackTest#testAudioTrackBuilderError
Test: adb shell dumpsys media.metrics
Test: statsd_testdrive 413
diff --git a/stats/enums/media/audio/enums.proto b/stats/enums/media/audio/enums.proto
index 306129e..83e42a4 100644
--- a/stats/enums/media/audio/enums.proto
+++ b/stats/enums/media/audio/enums.proto
@@ -299,6 +299,8 @@
   AUDIO_FORMAT_DRA = 0x2f000000;
   AUDIO_FORMAT_APTX_QLEA = 0x30000000;
   AUDIO_FORMAT_APTX_R4 = 0x31000000;
+  AUDIO_FORMAT_DTS_HD_MA = 0x32000000;
+  AUDIO_FORMAT_DTS_UHD_P2 = 0x33000000;
 }
 
 // Spatializer HeadTracking modes