Thread cancel on the media sender thread leads to memory leaks from w…

[jdelapla]

…riteFrame() not freeing all its heap usage

Issue #, if available: #1450 Description of changes:

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[codecov-commenter]

Codecov Report

Merging #1452 (59c2d32) into develop (866aee4) will decrease coverage by 0.05%. The diff coverage is 0.00%.

@@             Coverage Diff             @@
##           develop    #1452      +/-   ##
===========================================
- Coverage    51.50%   51.44%   -0.06%     
===========================================
  Files           46       46              
  Lines        12794    12795       +1     
===========================================
- Hits          6589     6582       -7     
- Misses        6205     6213       +8     

Impacted Files	Coverage Δ
samples/Common.c	0.00% <0.00%> (ø)
samples/kvsWebRTCClientMaster.c	0.00% <0.00%> (ø)
src/source/Ice/IceAgent.c	85.81% <0.00%> (-0.46%)	:arrow_down:

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[github-actions[bot]]

This is a very old issue. We encourage you to check if this is still an issue in the latest release and if you find that this is still a problem, please feel free to open a new one.

[niyatim23]

Closing in favor of https://github.com/awslabs/amazon-kinesis-video-streams-webrtc-sdk-c/pull/1641