Fix: Update file to support Appium 2 when building new image

[jeremie-code]

Support Appium 2 when building new image:

• Update entrypoint.sh:
  • Fix upx-ucl.
  • Add download driver uiautomator2 with npm.
• Update Dockerfile:
  • Fix DEFAULT_CAPABILITIES to support 2.0.
  • Appium attributes to support 2.0.

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (92c441d) 5.59% compared to head (4159ac9) 5.59%.
Report is 1 commits behind head on master.

Additional details and impacted files

@@          Coverage Diff           @@
##           master    #639   +/-   ##
======================================
  Coverage    5.59%   5.59%           
======================================
  Files           8       8           
  Lines         876     876           
======================================
  Hits           49      49           
  Misses        820     820           
  Partials        7       7           

Flag	Coverage Δ
go	5.59% <ø> (ø)

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[vania-pooh]

@jeremie-code thank you for contribution!