[Android] Brave news - disables default peeking card

[alexsafe]

Resolves brave/brave-browser#21477

Submitter Checklist:

• I confirm that no security/privacy review is needed, or that I have requested one
• There is a ticket for my issue
• Used Github auto-closing keywords in the PR description above
• Wrote a good PR/commit description
• Squashed any review feedback or "fixup" commits before merge, so that history is a record of what happened in the repo, not your PR
• Added appropriate labels (QA/Yes or QA/No; release-notes/include or release-notes/exclude; OS/...) to the associated issue
• Checked the PR locally: npm run test -- brave_browser_tests, npm run test -- brave_unit_tests, npm run lint, npm run gn_check, npm run tslint
• Ran git rebase master (if needed)

Reviewer Checklist:

• A security review is not needed, or a link to one is included in the PR description
• New files have MPL-2.0 license header
• Adequate test coverage exists to prevent regressions
• Major classes, functions and non-trivial code blocks are well-commented
• Changes in component dependencies are properly reflected in gn
• Code follows the style guide
• Test plan is specified in PR before merging

After-merge Checklist:

• The associated issue milestone is set to the smallest version that the
  changes has landed on
• All relevant documentation has been updated, for instance:
  • https://github.com/brave/brave-browser/wiki/Deviations-from-Chromium-(features-we-disable-or-remove)
  • https://github.com/brave/brave-browser/wiki/Proxy-redirected-URLs
  • https://github.com/brave/brave-browser/wiki/Fingerprinting-Protections
  • https://github.com/brave/brave-browser/wiki/Brave%E2%80%99s-Use-of-Referral-Codes
  • https://github.com/brave/brave-browser/wiki/Custom-Headers
  • https://github.com/brave/brave-browser/wiki/Web-Compatibility-Exceptions-in-Brave
  • https://github.com/brave/brave-browser/wiki/QA-Guide
  • https://github.com/brave/brave-browser/wiki/P3A

Test Plan:

[SergeyZhukovsky]

++

[deeppandya]

LGTM

[kjozwiak]

Verification PASSED on Pixel 6 running Android 12 using 1.38.25 Chromium: 99.0.4884.51

Clean Install Case

• ensured that Brave News is disabled by default and the on-boarding card isn't visible under NTP
• ensured that you can't scroll up/down via NTP when Brave News is disabled
• ensured that you can swipe through the widgets without running into Fast/Hard scroll on widgets brings up the news feed rather than scrolling through the widget brave-browser#21166
• ensured that enabling Brave News via Hamburger Menu -> Brave News displays the on-boarding card via NTP but doesn't automatically enable Brave News and starts loading the feed.
• ensure that tapping on Show Brave News via NTP/on-boarding card works as expected and loads the feed without issues

Created brave/brave-browser#21493.

Upgrade Case - Card visible but not opted into Brave News

• downloaded/installed 1.38.24 Chromium: 99.0.4844.51 and ensured that the Brave News on-boarding card is visible
• updated to 1.38.25 Chromium: 99.0.4884.51 and ensured that the Brave News card has been disabled from NTP
• ensured that enable Brave News via Settings displays the on-boarding card via NTP
• ensure that tapping on Show Brave News loads the feed via NTP without any issues after enabling the on-boarding card

Upgrade Case - Enabled/Opted into Brave News

• downloaded/installed 1.38.24 Chromium: 99.0.4844.51 and enabled Brave News
• removed/unchecked all the sources from Cars
• enabled all the available sources via Business
• updated to 1.38.25 Chromium: 99.0.4884.51 and ensured Brave News was still enabled
• ensured that all the sources under Business are still enabled and all the sources via Cars are disabled
• ensured that tapping on cards/settings works as expected (basically making sure Brave News is still working)