diff --git a/core/api/test-current.txt b/core/api/test-current.txt
index c8e365ee99918..12d9bee0e3eef 100644
--- a/core/api/test-current.txt
+++ b/core/api/test-current.txt
@@ -2103,6 +2103,7 @@ package android.provider {
   public final class DeviceConfig {
     field public static final String NAMESPACE_ALARM_MANAGER = "alarm_manager";
     field public static final String NAMESPACE_ANDROID = "android";
+    field public static final String NAMESPACE_CONSTRAIN_DISPLAY_APIS = "constrain_display_apis";
     field public static final String NAMESPACE_DEVICE_IDLE = "device_idle";
     field public static final String NAMESPACE_JOB_SCHEDULER = "jobscheduler";
   }
diff --git a/core/java/android/provider/DeviceConfig.java b/core/java/android/provider/DeviceConfig.java
index 1092adf65f1fb..0731cf06759a0 100644
--- a/core/java/android/provider/DeviceConfig.java
+++ b/core/java/android/provider/DeviceConfig.java
@@ -585,6 +585,7 @@ public final class DeviceConfig {
      *
      * @hide
      */
+    @TestApi
     public static final String NAMESPACE_CONSTRAIN_DISPLAY_APIS = "constrain_display_apis";
 
     private static final Object sLock = new Object();