[S58] O2.1: Evaluate and address Fennec vs. Fenix UI changes.

• Review changes to Fenix UI and evaluate their impact in the context of Tor Browser for Android and its users using the Tor Personas tool as a guide.
• Iterate on any necessary UI changes.

• Re-design Connect screen on Android
• Re-design Network Settings Screen on Android
• UI changes for "Only Private Browsing Mode" on Android
• Re-design about:tor on Android
• Re-design onion indicators for Android
• Review all Fenix menu items