Add RNG isolated test executables to shard_gtest sections in some test runner scripts

[torben-hansen]

Description of changes:

I forgot to add tree_drbg_jitter_entropy_isolated_test to the shard_gtest tests in some of the test runner scripts. While I'm here, add the new RNG text executables to the iOS test case using shard_gtest.

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

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.85%. Comparing base (1bdf17e) to head (c19fb7e).

Additional details and impacted files

@@                    Coverage Diff                    @@
##           randomness_generation    #2470      +/-   ##
=========================================================
- Coverage                  78.86%   78.85%   -0.02%     
=========================================================
  Files                        637      637              
  Lines                     110411   110410       -1     
  Branches                   15634    15635       +1     
=========================================================
- Hits                       87073    87060      -13     
- Misses                     22587    22597      +10     
- Partials                     751      753       +2     

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