fix: add UpdateReplacePolicy to supported resource attributes.

[sriram-mv]

• Cloudformation added native support for UpdateReplacePolicy on Jan 2019.

Issue #, if available:

#1807

Description of changes:

• Addition to supported resource attributes within SAM models.

Description of how you validated changes:

• Unit tested and validated transformation of template with UpdateReplacePolicy defined.

Checklist:

• Write/update tests
• make pr passes
• Update documentation
• Verify transformed template deploys and application functions as expected

Examples?

Please reach out in the comments, if you want to add an example. Examples will be
added to sam init through https://github.com/awslabs/aws-sam-cli-app-templates/

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov-io]

Codecov Report

Merging #1986 (ba0a4b8) into develop (ebaba0c) will increase coverage by 0.05%.
The diff coverage is 100.00%.

@@             Coverage Diff             @@
##           develop    #1986      +/-   ##
===========================================
+ Coverage    93.84%   93.89%   +0.05%     
===========================================
  Files           90       90              
  Lines         5976     5976              
  Branches      1215     1215              
===========================================
+ Hits          5608     5611       +3     
+ Misses         169      167       -2     
+ Partials       199      198       -1     

Impacted Files	Coverage Δ
samtranslator/model/__init__.py	98.14% <100.00%> (ø)
samtranslator/translator/logical_id_generator.py	100.00% <0.00%> (+9.09%)	⬆️

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[mndeveci]

Closing this since it is been added by 90edf3e