diff --git a/core/java/com/android/internal/os/Zygote.java b/core/java/com/android/internal/os/Zygote.java
index 0d10888..e187862 100644
--- a/core/java/com/android/internal/os/Zygote.java
+++ b/core/java/com/android/internal/os/Zygote.java
@@ -70,6 +70,10 @@
      */
     public static final int API_ENFORCEMENT_POLICY_SHIFT =
             Integer.numberOfTrailingZeros(API_ENFORCEMENT_POLICY_MASK);
+    /**
+     * Enable system server ART profiling.
+     */
+    public static final int PROFILE_SYSTEM_SERVER = 1 << 14;
 
     /** No external storage should be mounted. */
     public static final int MOUNT_EXTERNAL_NONE = 0;