feat: Add sandbox mode to attributes

Author: Mansi-mParticle

android-core/src/main/kotlin/com/mparticle/internal/Constants.kt

@@ -463,6 +463,9 @@ object Constants {
 
             //batch was mutated
             const val MODIFIED_BATCH: String = "mb"
+
+            //Sandbox mode for
+            const val SANDBOX_MODE_ROKT: String = "sandbox"
         }
     }
 

android-kit-base/src/main/java/com/mparticle/kits/KitManagerImpl.java

@@ -29,6 +29,7 @@
 import com.mparticle.identity.IdentityApiRequest;
 import com.mparticle.identity.IdentityStateListener;
 import com.mparticle.identity.MParticleUser;
+import com.mparticle.internal.Constants;
 import com.mparticle.internal.CoreCallbacks;
 import com.mparticle.internal.KitManager;
 import com.mparticle.internal.KitsLoadedCallback;
@@ -51,6 +52,7 @@
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 import java.util.Set;
 import java.util.TreeMap;
 import java.util.concurrent.ConcurrentHashMap;
@@ -1335,12 +1337,20 @@ public void execute(String viewName,
                 if (provider instanceof KitIntegration.RoktListener && !provider.isDisabled()) {
                     MParticleUser user = MParticle.getInstance().Identity().getCurrentUser();
                     Map<String, Object> objectAttributes = new HashMap<>();
-
+                    if (attributes == null) {
+                        attributes = new HashMap<>();
+                    }
                     for (Map.Entry<String, String> entry : attributes.entrySet()) {
                         objectAttributes.put(entry.getKey(), entry.getValue());
                     }
 
                     user.setUserAttributes(objectAttributes);
+
+                    if (!attributes.containsKey(Constants.MessageKey.SANDBOX_MODE_ROKT)) {
+                        attributes.put(Constants.MessageKey.SANDBOX_MODE_ROKT, String.valueOf(
+                                Objects.toString(MPUtility.isDevEnv(), "false")));  // Default value is "false" if null:wq
+                    }
+
                     ((KitIntegration.RoktListener) provider).execute(viewName,
                             attributes,
                             onUnload,