diff --git a/core/api/system-current.txt b/core/api/system-current.txt
index f09244ad7859d..776b4cb133ec2 100644
--- a/core/api/system-current.txt
+++ b/core/api/system-current.txt
@@ -1318,6 +1318,7 @@ package android.app.ambientcontext {
     method @NonNull public java.time.Instant getStartTime();
     method public void writeToParcel(@NonNull android.os.Parcel, int);
     field @NonNull public static final android.os.Parcelable.Creator<android.app.ambientcontext.AmbientContextEvent> CREATOR;
+    field public static final int EVENT_BACK_DOUBLE_TAP = 3; // 0x3
     field public static final int EVENT_COUGH = 1; // 0x1
     field public static final int EVENT_SNORE = 2; // 0x2
     field public static final int EVENT_UNKNOWN = 0; // 0x0
diff --git a/core/java/android/app/ambientcontext/AmbientContextEvent.java b/core/java/android/app/ambientcontext/AmbientContextEvent.java
index af48fde6423a7..865e1fbaf74ed 100644
--- a/core/java/android/app/ambientcontext/AmbientContextEvent.java
+++ b/core/java/android/app/ambientcontext/AmbientContextEvent.java
@@ -63,8 +63,6 @@ public final class AmbientContextEvent implements Parcelable {
      * The integer indicating a double-tap event was detected.
      * For detecting this event type, there's no specific consent activity to request access, but
      * the consent is implied through the double tap toggle in the Settings app.
-     *
-     * @hide
      */
     public static final int EVENT_BACK_DOUBLE_TAP = 3;