Add @SystemApi to MediaSession.FLAG_EXCLUSIVE_GLOBAL_PRIORITY

Bug: 161327893
Test: build successful
Change-Id: Id35295601a61c5f589c5b677c8b41969d76ff7b3
diff --git a/api/module-lib-current.txt b/api/module-lib-current.txt
index 3f3b8ea..f53ac8c 100644
--- a/api/module-lib-current.txt
+++ b/api/module-lib-current.txt
@@ -39,6 +39,14 @@
 
 }
 
+package android.media.session {
+
+  public final class MediaSession {
+    field public static final int FLAG_EXCLUSIVE_GLOBAL_PRIORITY = 65536; // 0x10000
+  }
+
+}
+
 package android.net {
 
   public final class TetheringConstants {
diff --git a/media/java/android/media/session/MediaSession.java b/media/java/android/media/session/MediaSession.java
index 8bf462c..70bd160 100644
--- a/media/java/android/media/session/MediaSession.java
+++ b/media/java/android/media/session/MediaSession.java
@@ -19,6 +19,7 @@
 import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
+import android.annotation.SystemApi;
 import android.app.Activity;
 import android.app.PendingIntent;
 import android.compat.annotation.UnsupportedAppUsage;
@@ -105,6 +106,7 @@
      *
      * @hide
      */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
     public static final int FLAG_EXCLUSIVE_GLOBAL_PRIORITY = 1 << 16;
 
     /**
diff --git a/non-updatable-api/module-lib-current.txt b/non-updatable-api/module-lib-current.txt
index 3c0b955..86ac3e4 100644
--- a/non-updatable-api/module-lib-current.txt
+++ b/non-updatable-api/module-lib-current.txt
@@ -39,6 +39,14 @@
 
 }
 
+package android.media.session {
+
+  public final class MediaSession {
+    field public static final int FLAG_EXCLUSIVE_GLOBAL_PRIORITY = 65536; // 0x10000
+  }
+
+}
+
 package android.os {
 
   public class Binder implements android.os.IBinder {