Set dev menu title to "React Native Dev Menu", add JS executor descri…

…ption (#37195)

Summary:
Pull Request resolved: #37195

Updates the Dev Menu header on Android.

- Small alignment related to D44872456.
- Add subheading label showing current JS executor description (matching iOS) (note: on Android this is unformatted (but informative), e.g. `JSIExecutor+HermesRuntime`).

Changelog: [Internal]

Reviewed By: cortinico

Differential Revision: D45142924

fbshipit-source-id: 5c95fc85e6d3b6879287440f76165b02957283e5

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

@@ -24,6 +24,7 @@
 import android.view.Gravity;
 import android.view.View;
 import android.widget.EditText;
+import android.widget.LinearLayout;
 import android.widget.TextView;
 import android.widget.Toast;
 import androidx.annotation.Nullable;
@@ -526,17 +527,30 @@ public void onOptionSelected() {
       return;
     }
 
-    final TextView textView = new TextView(getApplicationContext());
-    textView.setText("React Native DevMenu (" + getUniqueTag() + ")");
-    textView.setPadding(0, 50, 0, 0);
-    textView.setGravity(Gravity.CENTER);
-    textView.setTextColor(Color.BLACK);
-    textView.setTextSize(17);
-    textView.setTypeface(textView.getTypeface(), Typeface.BOLD);
+    final LinearLayout header = new LinearLayout(getApplicationContext());
+    header.setOrientation(LinearLayout.VERTICAL);
+
+    final TextView title = new TextView(getApplicationContext());
+    title.setText("React Native Dev Menu (" + getUniqueTag() + ")");
+    title.setPadding(0, 50, 0, 0);
+    title.setGravity(Gravity.CENTER);
+    title.setTextColor(Color.DKGRAY);
+    title.setTextSize(16);
+    title.setTypeface(title.getTypeface(), Typeface.BOLD);
+
+    final TextView jsExecutorLabel = new TextView(getApplicationContext());
+    jsExecutorLabel.setText(getJSExecutorDescription());
+    jsExecutorLabel.setPadding(0, 20, 0, 0);
+    jsExecutorLabel.setGravity(Gravity.CENTER);
+    jsExecutorLabel.setTextColor(Color.GRAY);
+    jsExecutorLabel.setTextSize(14);
+
+    header.addView(title);
+    header.addView(jsExecutorLabel);
 
     mDevOptionsDialog =
         new AlertDialog.Builder(context)
-            .setCustomTitle(textView)
+            .setCustomTitle(header)
             .setItems(
                 options.keySet().toArray(new String[0]),
                 (dialog, which) -> {
@@ -551,6 +565,10 @@ public void onOptionSelected() {
     }
   }
 
+  private String getJSExecutorDescription() {
+    return "Running " + getReactInstanceDevHelper().getJavaScriptExecutorFactory().toString();
+  }
+
   /**
    * {@link ReactInstanceDevCommandsHandler} is responsible for enabling/disabling dev support when
    * a React view is attached/detached or when application state changes (e.g. the application is