Move session enum and session properties

[fractalwrench]

Goal

Moves an enum out of the SessionHandler class & also avoids unnecessary passing of the sessionProperties as a function parameter.

Testing

Updated existing test coverage.

[codecov]

Codecov Report

Merging #80 (12ea063) into master (4cdfd20) will decrease coverage by 0.01%.
Report is 1 commits behind head on master.
The diff coverage is 100.00%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #80      +/-   ##
==========================================
- Coverage   76.02%   76.02%   -0.01%     
==========================================
  Files         313      314       +1     
  Lines       10079    10076       -3     
  Branches     1457     1457              
==========================================
- Hits         7663     7660       -3     
  Misses       1827     1827              
  Partials      589      589              

Files	Coverage Δ
...race/android/embracesdk/injection/SessionModule.kt	100.00% <100.00%> (ø)
...ndroid/embracesdk/session/EmbraceSessionService.kt	81.33% <100.00%> (-0.72%)	⬇️
...brace/android/embracesdk/session/SessionHandler.kt	88.53% <ø> (-0.49%)	⬇️
.../android/embracesdk/session/SessionSnapshotType.kt	100.00% <100.00%> (ø)

[bidetofevil]

Hell yeah. Love to see unused dependancies ripped out!