Enable zmq in p4orch.

[divyagayathri-hcl]

Enable zmq between p4rt & swss

Summary:
Add ordered queue for zmq consumer, Enable zmq in p4orch & Reduce zmq wait time in pytest.

Build Results:

...
/bin/sh ../libtool  --tag=CXX   --mode=link g++  -g -O2   -o gearsyncd gearsyncd-gearboxutils.o gearsyncd-gearsyncd.o gearsyncd-gearparserbase.o gearsyncd-gearboxparser.o gearsyncd-phyparser.o   -lnl-3 -lnl-route-3 -lswsscommon   -lnl-nf-3 -lnl-route-3 -lnl-genl-3 -lnl-3 -lhiredis 
libtool: link: g++ -g -O2 -o gearsyncd gearsyncd-gearboxutils.o gearsyncd-gearsyncd.o gearsyncd-gearparserbase.o gearsyncd-gearboxparser.o gearsyncd-phyparser.o  -lswsscommon -lnl-nf-3 -lnl-route-3 -lnl-genl-3 -lnl-3 -lhiredis
make[2]: Leaving directory '/usr/local/google/home/divyagayathris/sonic_swss_changes/sonic-buildimage/src/sonic-swss/gearsyncd'
make[2]: Entering directory '/usr/local/google/home/divyagayathris/sonic_swss_changes/sonic-buildimage/src/sonic-swss'
make[2]: Leaving directory '/usr/local/google/home/divyagayathris/sonic_swss_changes/sonic-buildimage/src/sonic-swss'
make[1]: Leaving directory '/usr/local/google/home/divyagayathris/sonic_swss_changes/sonic-buildimage/src/sonic-swss'

Test Results:

...

[----------] Global test environment tear-down
[==========] 419 tests from 12 test suites ran. (136 ms total)
[  PASSED  ] 419 tests.

[mssonicbld]

/azp run

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Azure Pipelines successfully started running 1 pipeline(s).

[mssonicbld]

/azp run

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Azure Pipelines successfully started running 1 pipeline(s).

[prsunny]

@divyagayathri-hcl , please share the following details in description. Also do you've an HLD that captures these changes?

1. How and when the changes are applicable?
2. How is it limited to p4rt and not impacting other modules?
3. Is it possible to enable/disable this or is it hardcoded?

[mssonicbld]

/azp run

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[mssonicbld]

/azp run

[azure-pipelines]

Azure Pipelines will not run the associated pipelines, because the pull request was updated after the run command was issued. Review the pull request again and issue a new run command.

[mssonicbld]

/azp run

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Azure Pipelines successfully started running 1 pipeline(s).