[Android] News new content behaviour fix

[tapanmodh]

Resolves brave/brave-browser#22182
Resolves brave/brave-browser#22183
Resolves brave/brave-browser#22356

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:

[deeppandya]

LGTM

[deeppandya]

Do we need commented out code here ?

[tapanmodh]

Not needed. I'll remove it

[kjozwiak]

Verification PASSED on both Pixel 7 & Samsung S10+ running Android 12 using the following build(s):

Brave | 1.40.12 Chromium: 101.0.4951.41 (Official Build) canary (32-bit)
--- | ---
Revision | 93c720db8323b3ec10d056025ab95c23a31997c9-refs/branch-heads/4951@{#904}
OS | Android 12; Build/SP1A.210812.016

Test Case #1 - brave/brave-browser#22182 & brave/brave-browser#22183

Example of issue fixed on Pixel 6

screen-20220425-232954.mp4

Example of issue fixed on Samsung S10+

Screen_Recording_20220425-232551_Brave.-.Nightly.mp4

Test Case #2 - brave/brave-browser#22356

Brave | 1.40.23 Chromium: 101.0.4951.41 (Official Build) canary (32-bit)
--- | ---
Revision | 93c720db8323b3ec10d056025ab95c23a31997c9-refs/branch-heads/4951@{#904}
OS | Android 12; Build/SP1A.210812.016

Screen_Recording_20220501-021111_Brave.-.Nightly.mp4