diff --git a/core/api/current.txt b/core/api/current.txt
index 8fb0d676822a6..644689f6d8c38 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -22297,6 +22297,7 @@ package android.media {
     field public static final String KEY_VIDEO_QP_P_MAX = "video-qp-p-max";
     field public static final String KEY_VIDEO_QP_P_MIN = "video-qp-p-min";
     field public static final String KEY_WIDTH = "width";
+    field public static final String LOG_SESSION_ID = "log-session-id";
     field public static final String MIMETYPE_AUDIO_AAC = "audio/mp4a-latm";
     field public static final String MIMETYPE_AUDIO_AAC_ELD = "audio/mp4a.40.39";
     field public static final String MIMETYPE_AUDIO_AAC_HE_V1 = "audio/mp4a.40.05";
diff --git a/media/java/android/media/MediaFormat.java b/media/java/android/media/MediaFormat.java
index 32fff1eb270d9..15dfc9668948f 100644
--- a/media/java/android/media/MediaFormat.java
+++ b/media/java/android/media/MediaFormat.java
@@ -291,9 +291,10 @@ public final class MediaFormat {
     /**
      * A key describing the log session ID for MediaCodec. The log session ID is a random 32-byte
      * hexadecimal string that is used to associate metrics from multiple media codec instances
-     * to the same playback or recording session.
+     * to the same playback or recording session. The value is created as
+     * {@link android.media.metrics.LogSessionId LogSessionId}. Sessions are created in
+     * {@link android.media.metrics.MediaMetricsManager MediaMetricsManager}.
      * The associated value is a string.
-     * @hide
      */
     public static final String LOG_SESSION_ID = "log-session-id";