Unhide user disabled error for slicing and guard with feature flag

Test: atest SlicePurchaseControllerTest
Bug: 307378699
Change-Id: I7fc8232371fc07f5bd60dba8fe2c5dbd82b3b516
diff --git a/core/api/current.txt b/core/api/current.txt
index 18001e8..55bddb1 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -45528,6 +45528,7 @@
     field public static final int PURCHASE_PREMIUM_CAPABILITY_RESULT_THROTTLED = 2; // 0x2
     field public static final int PURCHASE_PREMIUM_CAPABILITY_RESULT_TIMEOUT = 9; // 0x9
     field public static final int PURCHASE_PREMIUM_CAPABILITY_RESULT_USER_CANCELED = 6; // 0x6
+    field @FlaggedApi("com.android.internal.telephony.flags.slicing_additional_error_codes") public static final int PURCHASE_PREMIUM_CAPABILITY_RESULT_USER_DISABLED = 16; // 0x10
     field public static final int SET_OPPORTUNISTIC_SUB_INACTIVE_SUBSCRIPTION = 2; // 0x2
     field public static final int SET_OPPORTUNISTIC_SUB_NO_OPPORTUNISTIC_SUB_AVAILABLE = 3; // 0x3
     field public static final int SET_OPPORTUNISTIC_SUB_REMOTE_SERVICE_EXCEPTION = 4; // 0x4
diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index 042b2a3..4250bd1 100644
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -9692,6 +9692,7 @@
      *
      * @see TelephonyManager#PURCHASE_PREMIUM_CAPABILITY_RESULT_USER_CANCELED
      * @see TelephonyManager#PURCHASE_PREMIUM_CAPABILITY_RESULT_TIMEOUT
+     * @see TelephonyManager#PURCHASE_PREMIUM_CAPABILITY_RESULT_USER_DISABLED
      */
     public static final String
             KEY_PREMIUM_CAPABILITY_NOTIFICATION_BACKOFF_HYSTERESIS_TIME_MILLIS_LONG =
diff --git a/telephony/java/android/telephony/TelephonyManager.java b/telephony/java/android/telephony/TelephonyManager.java
index c0d6b30..e9ea5a7 100644
--- a/telephony/java/android/telephony/TelephonyManager.java
+++ b/telephony/java/android/telephony/TelephonyManager.java
@@ -17483,9 +17483,8 @@
      * {@link CarrierConfigManager
      * #KEY_PREMIUM_CAPABILITY_NOTIFICATION_BACKOFF_HYSTERESIS_TIME_MILLIS_LONG}
      * and return {@link #PURCHASE_PREMIUM_CAPABILITY_RESULT_THROTTLED}.
-     *
-     * @hide
      */
+    @FlaggedApi(Flags.FLAG_SLICING_ADDITIONAL_ERROR_CODES)
     public static final int PURCHASE_PREMIUM_CAPABILITY_RESULT_USER_DISABLED = 16;
 
     /**