[Android] Improve text view test

[jonnyandrew]

• Use Espresso ViewActions instead of onActivity + findViewById.
• Add FakeClickListener test util.
• Add assertions for the correct URL being clicked.
• Add test for parsing a mention and clicking it.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (c74e671) 87.43% compared to head (c1363fd) 87.28%.
Report is 1 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #896      +/-   ##
============================================
- Coverage     87.43%   87.28%   -0.15%     
  Complexity      415      415              
============================================
  Files           166      134      -32     
  Lines         18975    17387    -1588     
  Branches       1046      408     -638     
============================================
- Hits          16591    15177    -1414     
+ Misses         2085     1935     -150     
+ Partials        299      275      -24     

Flag	Coverage Δ
uitests	65.87% <ø> (-5.32%)	⬇️
uitests-android	65.87% <ø> (-0.05%)	⬇️
uitests-ios	?
unittests	86.57% <ø> (+1.09%)	⬆️
unittests-android	44.94% <ø> (ø)
unittests-ios	?
unittests-rust	89.39% <ø> (ø)

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[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
No Duplication information

[jmartinesp]

LGTM, thanks!