Adding EULA acceptance based on an inVM approval mechanism

[rane-rajasi]

Changes to accept EULA based on a config in VM.

Pending items in this PR to be taken to the next one:

• extracting common code out of the UTs added in this one: Adding EULA acceptance based on an inVM approval mechanism #215 (comment), Adding EULA acceptance based on an inVM approval mechanism #215 (comment)
• using with while working with files to avoid managing filehandle: Adding EULA acceptance based on an inVM approval mechanism #215 (comment)
• encapsulate the truth checker somewhere later so it is consistent in all truth checks

[codecov]

Codecov Report

Merging #215 (1c07157) into master (bd81687) will increase coverage by 0.11%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #215      +/-   ##
==========================================
+ Coverage   90.21%   90.33%   +0.11%     
==========================================
  Files          90       90              
  Lines       14539    14719     +180     
==========================================
+ Hits        13116    13296     +180     
  Misses       1423     1423              

Flag	Coverage Δ
python27	90.33% <100.00%> (+0.11%)	⬆️
python39	90.33% <100.00%> (+0.11%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files Changed	Coverage Δ
src/core/src/bootstrap/Constants.py	98.63% <100.00%> (+0.03%)	⬆️
src/core/src/core_logic/ExecutionConfig.py	84.17% <100.00%> (+2.81%)	⬆️
src/core/src/core_logic/SystemctlManager.py	70.96% <100.00%> (ø)
...ore/src/package_managers/AptitudePackageManager.py	89.64% <100.00%> (+0.02%)	⬆️
src/core/tests/Test_AptitudePackageManager.py	99.63% <100.00%> (+0.13%)	⬆️
src/core/tests/library/ArgumentComposer.py	97.14% <100.00%> (+0.04%)	⬆️
src/core/tests/library/RuntimeCompositor.py	100.00% <100.00%> (ø)

[kjohn-msft]

Comments inline

[kjohn-msft]

Comments inline.