Downgrade warning of view illegally being added to parent to Soft Exception

Summary: - This is crashing too much in debug, which is good signal but making it harder to test, and test unrelated features.

Reviewed By: JoshuaGross

Differential Revision: D29857626

fbshipit-source-id: c52cfb6131747ae420b27de0591620fe79f47359

ReactAndroid/src/main/java/com/facebook/react/ReactRootView.java

@@ -35,6 +35,7 @@ import com.facebook.react.bridge.CatalystInstance;
 import com.facebook.react.bridge.ReactContext;
 import com.facebook.react.bridge.ReactMarker;
 import com.facebook.react.bridge.ReactMarkerConstants;
+import com.facebook.react.bridge.ReactNoCrashSoftException;
 import com.facebook.react.bridge.ReactSoftException;
 import com.facebook.react.bridge.UIManager;
 import com.facebook.react.bridge.UiThreadUtil;
@@ -342,7 +343,7 @@ public class ReactRootView extends FrameLayout implements RootView, ReactRoot {
               if (!child.isShown()) {
                 ReactSoftException.logSoftException(
                     TAG,
-                    new IllegalViewOperationException(
+                    new ReactNoCrashSoftException(
                         "A view was illegally added as a child of a ReactRootView. "
                             + "This View should not be a direct child of a ReactRootView, because it is not visible and will never be reachable. Child: "
                             + child.getClass().getCanonicalName().toString()