Native eventqueue

[jiangyy0824]

What does this PR do?
Adding built-in message queue for event subscribe.

Why are these changes required?
Developers could use event plugins to subscribe triggers from fullnode, which provide very reliable service and store very large amount of data.

But in some cases, developers want to subscribe directly from fullnode, with short-term subscriptions. Native message queue is implemented to meet such requirement.

This PR has been tested by:

• Unit Tests
• Manual Testing
  Follow up

Extra details

TIP28: tronprotocol/tips#28

[codecov-io]

Codecov Report

Merging #2093 into develop will increase coverage by 0.09%.
The diff coverage is 20.31%.

@@              Coverage Diff              @@
##             develop    #2093      +/-   ##
=============================================
+ Coverage      43.24%   43.34%   +0.09%     
- Complexity      4026     4045      +19     
=============================================
  Files            511      512       +1     
  Lines          29695    29776      +81     
  Branches        3067     3082      +15     
=============================================
+ Hits           12843    12905      +62     
- Misses         15697    15698       +1     
- Partials        1155     1173      +18

Impacted Files	Coverage Δ	Complexity Δ
...mon/logsfilter/nativequeue/NativeMessageQueue.java	29.03% <29.03%> (ø)	4 <4> (?)
.../org/tron/common/logsfilter/EventPluginLoader.java	14.28% <3.17%> (-1.79%)	7 <1> (ø)
src/main/java/org/tron/core/config/args/Args.java	61.54% <36%> (-0.42%)	140 <0> (-1)
.../org/tron/common/logsfilter/EventPluginConfig.java	56.52% <66.66%> (+6.52%)	5 <3> (+3)	⬆️
...rg/tron/common/net/udp/handler/MessageHandler.java	89.65% <0%> (-10.35%)	7% <0%> (-1%)
...g/tron/common/overlay/discover/DiscoverServer.java	72.88% <0%> (-8.48%)	6% <0%> (-2%)
src/main/java/org/tron/common/utils/ByteArray.java	53.33% <0%> (-3.34%)	15% <0%> (-1%)
src/main/java/org/tron/core/db/Manager.java	43.27% <0%> (+0.2%)	117% <0%> (+1%)	⬆️
... and 8 more

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[congnt171]

How can i using this native eventqueu. I see in code you using zeromq but i can't connect and using it? Where document for that ? @jiangyy0824