Create and use translatable string resources for download failure reasons.

[MatthewTighe]

Describe the pull request

This PR changes the download failure reasons to be string resources.

Link to relevant issues
N/A

[codecov-io]

Codecov Report

Merging #814 into master will increase coverage by 0.04%.
The diff coverage is 30%.

@@             Coverage Diff              @@
##             master     #814      +/-   ##
============================================
+ Coverage      37.6%   37.64%   +0.04%     
- Complexity      335      336       +1     
============================================
  Files            41       41              
  Lines          2851     2850       -1     
  Branches        528      523       -5     
============================================
+ Hits           1072     1073       +1     
- Misses         1643     1646       +3     
+ Partials        136      131       -5

Impacted Files	Coverage Δ	Complexity Δ
app/src/main/java/tech/ula/MainActivity.kt	0% <0%> (ø)	0 <0> (ø)	⬇️
...rc/main/java/tech/ula/utils/IllegalStateHandler.kt	100% <100%> (+12.24%)	21 <1> (ø)	⬇️
...ain/java/tech/ula/model/state/SessionStartupFsm.kt	83.95% <100%> (-0.62%)	37 <0> (ø)
...n/java/tech/ula/viewmodel/MainActivityViewModel.kt	88.37% <100%> (ø)	82 <0> (ø)	⬇️
...pp/src/main/java/tech/ula/utils/DownloadUtility.kt	86.04% <50%> (ø)	19 <0> (ø)	⬇️
app/src/main/java/tech/ula/utils/AndroidUtility.kt	14.79% <9.52%> (+0.44%)	0 <0> (ø)	⬇️
...ava/tech/ula/model/repositories/AssetRepository.kt	82.6% <0%> (+1.44%)	23% <0%> (+1%)	⬆️

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