Add further logging to help investigate T228303477 (#52185)

Summary:
Pull Request resolved: #52185

It seems like one of the activity on the stack is not properly implementing `DefaultHardwareBackBtnHandler`.
This will make the crash more clear as it will be clear which activity is the one responsible for the crash.

Changelog:
[Internal] [Changed] -

Reviewed By: javache

Differential Revision: D77142320

fbshipit-source-id: 1913976d1ad5d3ceafcfc0569f3b74dad9e919ae

Author: cortinico

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/ReactDelegate.kt

@@ -111,7 +111,8 @@ public open class ReactDelegate {
 
   public fun onHostResume() {
     if (activity !is DefaultHardwareBackBtnHandler) {
-      throw ClassCastException("Host Activity does not implement DefaultHardwareBackBtnHandler")
+      throw ClassCastException(
+          "Host Activity `${activity.javaClass.simpleName}` does not implement DefaultHardwareBackBtnHandler")
     }
     if (ReactNativeNewArchitectureFeatureFlags.enableBridgelessArchitecture() &&
         reactHost != null) {