[Android] Added option Enable Tab Group auto creation

[samartnik]

Resolves brave/brave-browser#22105

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:

[Pavneet-Sing]

++

[Pavneet-Sing]

nit: I guess it would be better if we use present context here, i.e. isBraveTabGroupsEnable

[samartnik]

It is present tense, just in passive form. It gets in line with Chromium's naming like isMultiProcessEnabled, isCaptureEnabled etc.

[kjozwiak]

Verification PASSED on Pixel 6 running Android 12 using the following build(s):

1.39.42 Chromium: 100.0.4896.79

Test Case #1 - Enable Tab Group auto creation (Enabled/Default - Clean Install)

• verified the STR/Case outlined via Add an option Enable Tab Group auto creation brave-browser#22105 (comment)
• ensured that Enable Tab Group auto creation under Appearance is enabled by default on a clean install
• ensured that the Enable Tab Group auto creation setting is maintained when restarting the browser
• ensured that Open in new tab isn't visible under the context menu on tiles via the NTP
• ensured that Open in new tab isn't visible under the context menu when tapping on hyperlinks/images
• ensured that Open in new tab in group is working as expected via the various context menus
• ensured that Open in Private tab is working as expected

Example of the new setting:

Test Case #2 - Enable Tab Group auto creation (Disabled- Clean Install)

• ensured that disabling Enable Tab Group auto creation under Appearance asks the user to restart the browser
• ensured that disabling Enable Tab Group auto creation didn't cause any issues/visible issues
• ensured that using Web search opens the link/content in a new tab rather than a group tab
• ensured that tapping on Later and not restarting after disabling Enable Tab Group auto creation didn't cause issues
• ensured that Open in new tab is being added into the various context menu's
• ensured that Open in new tab works as expected when tapping on tiles via NTP
• ensured that Open in new tab works as expected when tapping hyperlinks/images
• ensured that Open in Private tab is working as expected

Test Case #3 - Enable Tab Group auto creation (Enabled - Upgrade)

• upgraded from 1.39.36 Chromium: 100.0.4896.79 --> 1.39.47 Chromium: 100.0.4896.79
• ensured that Enable Tab Group auto creation under Appearance is enabled
• ensured that the Enable Tab Group auto creation setting is maintained when restarting the browser
• ensured that Open in new tab isn't visible under the context menu on tiles via the NTP
• ensured that Open in new tab isn't visible under the context menu when tapping on hyperlinks/images
• ensured that Open in new tab in group is working as expected via the various context menus
• ensured that Open in Private tab is working as expected