Connect VPN tunnel automatically after split tunnel

[deeppandya]

This issue is the follow up issue to #22938. With this issue we start the tunnel right away after split tunnel change without user interaction.

[Uni-verse]

Verified on Samsung Galaxy S21 running Android 12 using the following build(s):

Brave	1.43.83 Chromium: 105.0.5195.68 (Official Build) (64-bit) 
Revision	ad13e82529051bac6a0e65f455e6d7a1e5fd7938-refs/branch-heads/5195@{#903}
OS	Android 12; Build/SP1A.210812.016

Testing based on Test Plan in brave/brave-core#14581 (comment)

Default State:

• Verified split tunneling is not enabled if there is no VPN profile installed.
• Verified split tunneling is not enabled if user resets configuration via Settings > Brave Firewall + VPN > Reset Configuration

Upgraded Profile

• Verified Split Tunneling option is enabled when upgraded app with an existing VPN profile.
• Verified user is able to modify the Split tunneling settings on an upgraded profile.
• Verified apps excluded will bypass VPN

Split Tunneling when VPN Enabled:

• Confirmed when user excludes apps from the VPN under Split Tunneling option, profile is automatically updated without user interaction, connection is not interrupted.
• Confirmed user is abled to remove apps from the Excluded Apps list. It will only take effect if user saves.
• Confirmed apps that user adds to Excluded Apps on Split tunneling page will bypass the VPN.
• Confirmed that apps will not be saved if user selects apps into Excluded Apps list but closes page without saving.
• Confirmed that toggling the VPN off/on via the settings menu, notification tray or the brave hamburger menu will not change state of the Excluding Apps list.
• Confirmed when user hits show system apps CTA, system apps list will populate.
• Confirmed user is able to add 25 items into Exclude Apps list under Split Tunneling.

Selected Host location	Excluded App	Included App

Split Tunneling when VPN Disabled:

• Confirmed user is able to app/remove apps to the Excluded Apps list when VPN is disabled. Enabling VPN will automatically launch new profile, establish connection.
• Confirmed user is able to add/remove system apps from Exluded Apps list.
• Confirmed user is able to remove all apps previous saved from the Excluded list successfully.

Example	Example	Example

[Uni-verse]

Verifiied on Samsung Galaxy Tab S7 running Android 12 using the following build(s):

Brave	1.43.83 Chromium: 105.0.5195.68 (Official Build) (64-bit) 
Revision	ad13e82529051bac6a0e65f455e6d7a1e5fd7938-refs/branch-heads/5195@{#903}
OS	Android 12; Build/SP1A.210812.016

Testing based on Test Plan in brave/brave-core#14581 (comment)

Default State:

• Verified split tunneling is not enabled if there is no VPN profile installed.
• Verified split tunneling is not enabled if user resets configuration via Settings > Brave Firewall + VPN > Reset Configuration

Upgraded Profile

• Verified Split Tunneling option is enabled when upgraded app with an existing VPN profile.
• Verified user is able to modify the Split tunneling settings on an upgraded profile.
• Verified apps excluded will bypass VPN

Split Tunneling when VPN Enabled:

• Confirmed when user excludes apps from the VPN under Split Tunneling option, profile is automatically updated without user interaction, connection is not interrupted.
• Confirmed user is abled to remove apps from the Excluded Apps list. It will only take effect if user saves.
• Confirmed apps that user adds to Excluded Apps on Split tunneling page will bypass the VPN.
• Confirmed that apps will not be saved if user selects apps into Excluded Apps list but closes page without saving.
• Confirmed that toggling the VPN off/on via the settings menu, notification tray or the brave hamburger menu will not change state of the Excluding Apps list.
• Confirmed when user hits show system apps CTA, system apps list will populate.
• Confirmed user is able to add 25 items into Exclude Apps list under Split Tunneling.

Split Tunneling when VPN Disabled:

• Confirmed user is able to app/remove apps to the Excluded Apps list when VPN is disabled. Enabling VPN will automatically launch new profile, establish connection.
• Confirmed user is able to add/remove system apps from Excluded Apps list.
• Confirmed user is able to remove all apps previous saved from the Excluded list successfully.

Option with VPN Profile	Excluded App (DuckDuckgo)	Allowed apps (DuckDuckGo)	No Profile (Default State)	Long List