docs(Godot): Link to stack traces guide from Android export guide (#15020)

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Link to "Readable Stack Traces" guide from Android export guide.

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Author: limbonaut

docs/platforms/godot/configuration/android.mdx

@@ -20,7 +20,8 @@ If you haven't already, you need to install the Android build template first. Go
 
 1. **Create Export Preset**: If you don't have an export preset, you need to create one: go to `Project -> Export...` and add a new Android export preset.
 2. **Enable Gradle Build**: In the export preset, go to `Options -> Gradle Build` and enable the `Use Gradle Build` option.
-3. **Configure Other Settings**: Set up your package name, icons, permissions, and other Android-specific settings as needed.
+3. **Configure Source Template** (Optional): If you are using <PlatformLink to="/configuration/stack-traces/">export templates with debug symbols</PlatformLink>, set the **Android Source Template** field to point to the `android_source.zip` file that was generated during the template compilation process.
+4. **Configure Other Settings**: Set up your package name, icons, permissions, and other Android-specific settings as needed.
 
 ![Android Export Settings](imgs/android_export.png)