SRT: Support Coroutine Native SRT over ST.

[xiaozhihong]

1. Rewrite SRT to support Coroutine Native, based on ST.
2. Add SRT unit tests.
3. Error based handler.

[codecov-commenter]

Codecov Report

Merging #3010 (593747b) into develop (3ed4aed) will increase coverage by 0.70%.
The diff coverage is 37.66%.

❗ Current head 593747b differs from pull request most recent head edc291a. Consider uploading reports for the commit edc291a to get more accurate results

@@             Coverage Diff             @@
##           develop    #3010      +/-   ##
===========================================
+ Coverage    56.10%   56.81%   +0.70%     
===========================================
  Files          151      150       -1     
  Lines        57559    57899     +340     
===========================================
+ Hits         32292    32893     +601     
+ Misses       25267    25006     -261     

| Impacted Files | Coverage Δ | |'

Translated to English while maintaining the markdown structure:

'| Impacted Files | Coverage Δ | |
|---|---|---|
| trunk/src/app/srs_app_config.cpp | 64.92% <0.00%> (-0.63%) | ⬇️ |
| trunk/src/app/srs_app_config.hpp | 100.00% <ø> (ø) | |'

Translated to English while maintaining the markdown structure:

| trunk/src/app/srs_app_config.hpp | 100.00% <ø> (ø) | |
| trunk/src/app/srs_app_pithy_print.cpp | 31.94% <0.00%> (-0.92%) | ⬇️ |
| trunk/src/app/srs_app_rtmp_conn.cpp | 0.00% <ø> (ø) | |
| trunk/src/app/srs_app_source.cpp | 0.64% <0.00%> (ø) | |
| trunk/src/app/srs_app_srt_conn.cpp | 0.00% <0.00%> (ø) | |
| trunk/src/main/srs_main_server.cpp | 0.00% <0.00%> (ø) | |
| trunk/src/app/srs_app_srt_source.cpp | 0.51% <0.51%> (ø) | |
| trunk/src/app/srs_app_srt_server.cpp | 12.02% <12.02%> (ø) | |
| trunk/src/app/srs_app_rtc_source.cpp | 12.36% <50.00%> (ø) | |
| ... and 12 more | |

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TRANS_BY_GPT3

[winlinvip]

Merged by 1af30de