[Android] Implement simpler Shield Panel

[deeppandya]

Description

Implement the simpler shield panel design
It is the sub issue of #6831

[anthonypkeane]

Designs

Tapping the help icon will show more information about Brave Shields:

Advanced site-specific controls are available in an expand/collapse section, which persists across sites. So if the user expanded Advanced controls on one site, it will still be expanded when they open Shields on a different site.

Label changes:

• "Block Ads & Tracking" becomes "Block cross-site trackers"
• "HTTPS Everywhere" becomes "Upgrade connections to HTTPS"
• Same options to block cookies and fingerprinting as on desktop

Tapping on "Block cross-site cookies" opens options in a subpanel:

Tapping on "Block cross-site fingerprinting" opens options in a subpanel:

Tapping "Change global Shields defaults" under Advanced Controls deeplinks the user to the app settings page:

Tap on the cookies line item to see more options in a sub-page:

Tap on the fingerprinting line item to see more options in a sub-page:

When Brave Shields is down (whether Advanced controls is expanded or not), users can report a broken site by tapping "Report a broken site"

The confirmation message should dismiss on its own after 1s if the user doesn't tap out first:

Dark theme

Dark theme is supported. Text, toggles, buttons, links, and icons have lighter colors:

Landscape mode

This works the same as currently.

[srirambv]

Verification passed on OnePlus 6T with Android 10 running 1.11.102 x64 build

Verified shields design is as per spec

Dark Theme

Light Theme

Landscape Orientation

---

Verification passed on Samsung Tab A with Android 10 running 1.11.102 x64 build

Verified shields design is as per spec

Dark Theme

Light Theme

Landscape Orientation

---

Logged follow up issues #10992 & #10993