Migrate CxxModuleWrapper & DefaultJSExceptionHandler to Kotlin (facebook#49706)

Summary:
Migrating two more classes from com.facebook.react.bridge to Kotlin, `CxxModuleWrapper` & `DefaultJSExceptionHandler`.

## Changelog:

[INTERNAL] - Migrate CxxModuleWrapper & DefaultJSExceptionHandler to Kotlin

Pull Request resolved: facebook#49706

Test Plan:
```sh
yarn test-android
yarn android
```

Reviewed By: cortinico

Differential Revision: D70317975

Pulled By: javache

fbshipit-source-id: 642d96faa131dd859f18cd811a5a223acba4c722

Author: mateoguzmana

packages/react-native/ReactAndroid/api/ReactAndroid.api

@@ -695,7 +695,7 @@ public class com/facebook/react/bridge/CxxModuleWrapperBase : com/facebook/react
 	protected fun resetModule (Lcom/facebook/jni/HybridData;)V
 }
 
-public class com/facebook/react/bridge/DefaultJSExceptionHandler : com/facebook/react/bridge/JSExceptionHandler {
+public final class com/facebook/react/bridge/DefaultJSExceptionHandler : com/facebook/react/bridge/JSExceptionHandler {
 	public fun <init> ()V
 	public fun handleException (Ljava/lang/Exception;)V
 }

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/bridge/CxxModuleWrapper.java renamed to packages/react-native/ReactAndroid/src/main/java/com/facebook/react/bridge/CxxModuleWrapper.kt

@@ -5,15 +5,12 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-package com.facebook.react.bridge;
+package com.facebook.react.bridge
 
-import com.facebook.jni.HybridData;
-import com.facebook.proguard.annotations.DoNotStrip;
+import com.facebook.jni.HybridData
+import com.facebook.proguard.annotations.DoNotStrip
 
 /** This does nothing interesting, except avoid breaking existing code. */
 @DoNotStrip
-public class CxxModuleWrapper extends CxxModuleWrapperBase {
-  protected CxxModuleWrapper(HybridData hd) {
-    super(hd);
-  }
-}
+public open class CxxModuleWrapper protected constructor(hybridData: HybridData) :
+    CxxModuleWrapperBase(hybridData)

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/bridge/DefaultJSExceptionHandler.java renamed to packages/react-native/ReactAndroid/src/main/java/com/facebook/react/bridge/DefaultJSExceptionHandler.kt

@@ -5,19 +5,17 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-package com.facebook.react.bridge;
+package com.facebook.react.bridge
 
 /** Crashy crashy exception handler. */
-public class DefaultJSExceptionHandler implements JSExceptionHandler {
-
-  @Override
-  public void handleException(Exception e) {
-    if (e instanceof RuntimeException) {
+public class DefaultJSExceptionHandler : JSExceptionHandler {
+  override fun handleException(e: Exception) {
+    throw if (e is RuntimeException) {
       // Because we are rethrowing the original exception, the original stacktrace will be
       // preserved.
-      throw (RuntimeException) e;
+      e
     } else {
-      throw new RuntimeException(e);
+      RuntimeException(e)
     }
   }
 }