Don't double destruct audio_track_cblk_t
Fortunately audio_track_cblk_t doesn't have a destructor, but for clarity
remove the double destruction.
Also add warning not to add any virtuals to audio_track_cblk_t.
Change-Id: I70ebe1a70460c7002145b2cdf10f9f137396e6f3
diff --git a/include/private/media/AudioTrackShared.h b/include/private/media/AudioTrackShared.h
index dd97ce4..23226c0 100644
--- a/include/private/media/AudioTrackShared.h
+++ b/include/private/media/AudioTrackShared.h
@@ -54,6 +54,7 @@
#define CBLK_RESTORED_ON 0x0040 // track has been restored after invalidation
#define CBLK_RESTORED_OFF 0x0040 // by AudioFlinger
+// Important: do not add any virtual methods, including ~
struct audio_track_cblk_t
{