For #12871 - Use local TWA DAL API

[NotWoods]

Who doesn't love acronyms?

Let's move off the Google API and call website APIs directly. I've been testing this system in Sample Browser and trying this branch out too. Everything works well and we can remove the related API key.

[codecov-commenter]

Codecov Report

Merging #12872 into master will increase coverage by 0.01%.
The diff coverage is 0.00%.

@@             Coverage Diff              @@
##             master   #12872      +/-   ##
============================================
+ Coverage     27.39%   27.40%   +0.01%     
  Complexity      984      984              
============================================
  Files           411      411              
  Lines         16255    16254       -1     
  Branches       2088     2088              
============================================
+ Hits           4453     4455       +2     
+ Misses        11477    11475       -2     
+ Partials        325      324       -1     

Impacted Files	Coverage Δ	Complexity Δ
...src/main/java/org/mozilla/fenix/components/Core.kt	25.00% <0.00%> (ø)	1.00 <0.00> (ø)
...ug/java/org/mozilla/fenix/DebugFenixApplication.kt	0.00% <0.00%> (ø)	0.00% <0.00%> (ø%)
.../logins/controller/SavedLoginsStorageController.kt	42.10% <0.00%> (ø)	8.00% <0.00%> (ø%)
...mponents/searchengine/FenixSearchEngineProvider.kt	63.96% <0.00%> (+1.80%)	13.00% <0.00%> (ø%)

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[jonalmeida]

LGTM LRTETTMFT (let's remove the edits to the metrics file though)