Add TODOs for missing ReactActivityDelegate methods (#43294)

Summary:
Pull Request resolved: #43294

These are gated by `ReactFeatureFlags.enableBridgelessArchitecture` and are missing support. They should be evaluated for backwards compatibility

Changelog: [Internal]

Reviewed By: fkgozali

Differential Revision: D54422143

fbshipit-source-id: b35b60f17d68d412a354b20e02fb6bbf591c40b0

Author: javache

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

@@ -144,7 +144,9 @@ public void onActivityResult(int requestCode, int resultCode, Intent data) {
   }
 
   public boolean onKeyDown(int keyCode, KeyEvent event) {
-    if (!ReactFeatureFlags.enableBridgelessArchitecture) {
+    if (ReactFeatureFlags.enableBridgelessArchitecture) {
+      // TODO T156475655: support onKeyDown
+    } else {
       if (getReactNativeHost().hasInstance()
           && getReactNativeHost().getUseDeveloperSupport()
           && keyCode == KeyEvent.KEYCODE_MEDIA_FAST_FORWARD) {
@@ -160,7 +162,9 @@ public boolean onKeyUp(int keyCode, KeyEvent event) {
   }
 
   public boolean onKeyLongPress(int keyCode, KeyEvent event) {
-    if (!ReactFeatureFlags.enableBridgelessArchitecture) {
+    if (ReactFeatureFlags.enableBridgelessArchitecture) {
+      // TODO T156475655: support onKeyLongPress
+    } else {
       if (getReactNativeHost().hasInstance()
           && getReactNativeHost().getUseDeveloperSupport()
           && keyCode == KeyEvent.KEYCODE_MEDIA_FAST_FORWARD) {
@@ -176,7 +180,9 @@ public boolean onBackPressed() {
   }
 
   public boolean onNewIntent(Intent intent) {
-    if (!ReactFeatureFlags.enableBridgelessArchitecture) {
+    if (ReactFeatureFlags.enableBridgelessArchitecture) {
+      // TODO T156475655: support onNewIntent
+    } else {
       if (getReactNativeHost().hasInstance()) {
         getReactNativeHost().getReactInstanceManager().onNewIntent(intent);
         return true;
@@ -186,15 +192,19 @@ public boolean onNewIntent(Intent intent) {
   }
 
   public void onWindowFocusChanged(boolean hasFocus) {
-    if (!ReactFeatureFlags.enableBridgelessArchitecture) {
+    if (ReactFeatureFlags.enableBridgelessArchitecture) {
+      // TODO T156475655: support onWindowFocusChanged
+    } else {
       if (getReactNativeHost().hasInstance()) {
         getReactNativeHost().getReactInstanceManager().onWindowFocusChange(hasFocus);
       }
     }
   }
 
   public void onConfigurationChanged(Configuration newConfig) {
-    if (!ReactFeatureFlags.enableBridgelessArchitecture) {
+    if (ReactFeatureFlags.enableBridgelessArchitecture) {
+      // TODO T156475655: support onConfigurationChanged
+    } else {
       if (getReactNativeHost().hasInstance()) {
         getReactInstanceManager().onConfigurationChanged(getContext(), newConfig);
       }

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

@@ -140,7 +140,6 @@ public void onActivityResult(
       int requestCode, int resultCode, Intent data, boolean shouldForwardToReactInstance) {
     if (ReactFeatureFlags.enableBridgelessArchitecture) {
       // TODO T156475655: Implement onActivityResult for Bridgeless
-      return;
     } else {
       if (getReactNativeHost().hasInstance() && shouldForwardToReactInstance) {
         getReactNativeHost()