Fixes a crash on TabGroupUiCoordinator destroy method when it destroy…

…s before native part been initialised (uplift to 1.70.x) (#25332)

Fixes a crash on TabGroupUiCoordinator destroy method when it destroys before native part been initialised

android/features/tab_ui/java/src/org/chromium/chrome/browser/tasks/tab_management/BraveTabGroupUiCoordinator.java

@@ -114,8 +114,12 @@ public void initializeWithNative(
 
     @Override
     public void destroy() {
-        super.destroy();
-
+        try {
+            super.destroy();
+        } catch (NullPointerException ignore) {
+            // mTabStripCoordinator could be null in a base class.
+            // https://github.com/brave/brave-browser/issues/40673
+        }
         mIncognitoStateProvider.removeObserver(mIncognitoStateObserver);
     }
 }