[Browser] Move browser and browser webview to product partition

• /e/ version: based on Android 9 and above
• Device model(s): all

Summary

Move the application to product partition.

Description

What is the current behavior?

The app is installed in the system partition.

What is the improved behavior?

The app is installed in product partition.

What does it bring?

Migrate to recommended practices as followed by AOSP.

Examples

Nothing, this is an internal improvement.

Validation

Check the list of applications installed in both system and product partition. Ensure everything works as before.