Converted NewUserResponse constructor to testAPI

Bug: 199446283
Test: m
Change-Id: I550c05a3c1e35adba911b1fcf48cc6c072280c14

core/api/test-current.txt

@@ -1671,6 +1671,10 @@ package android.os {
     method public void removeSyncBarrier(int);
   }
 
+  public final class NewUserResponse {
+    ctor public NewUserResponse(@Nullable android.os.UserHandle, int);
+  }
+
   public final class PackageTagsList implements android.os.Parcelable {
     method public boolean contains(@NonNull String, @Nullable String);
     method public boolean contains(@NonNull android.os.PackageTagsList);

core/java/android/os/NewUserResponse.java

@@ -17,6 +17,7 @@ package android.os;
 
 import android.annotation.Nullable;
 import android.annotation.SystemApi;
+import android.annotation.TestApi;
 
 /**
  * Contains the response of the call {@link UserManager#createUser(NewUserRequest)}.
@@ -29,7 +30,11 @@ public final class NewUserResponse {
     private final @Nullable UserHandle mUser;
     private final @UserManager.UserOperationResult int mOperationResult;
 
-    NewUserResponse(@Nullable UserHandle user,
+    /**
+     * @hide
+     */
+    @TestApi
+    public NewUserResponse(@Nullable UserHandle user,
             @UserManager.UserOperationResult int operationResult) {
         mUser = user;
         mOperationResult = operationResult;