Update MongoPlugin to Intercept 2.x MongoDB driver classes

[asgs]

This is a change related to #5392

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This change is 

[CLAassistant]

All committers have signed the CLA.

[RoySRose]

Hello, @asgs

All right. few things.

1. Please develop based on master code. It's should be 1.9.0-SNAPSHOT.
2. (Optional, but recommended) Please add IntegrationTest, You can look for class MongoDBIT_3_7_x_IT as an example
3. Were there any interceptor code modified or added?

I'll get back to you when 1. task is taken care of :)

[codecov-io]

Codecov Report

Merging #5429 into 1.8.x will decrease coverage by 0.01%.
The diff coverage is 0%.

@@            Coverage Diff            @@
##            1.8.x   #5429      +/-   ##
=========================================
- Coverage   40.61%   40.6%   -0.02%     
=========================================
  Files        2653    2653              
  Lines       79811   79852      +41     
  Branches    10831   10835       +4     
=========================================
+ Hits        32416   32424       +8     
- Misses      44452   44485      +33     
  Partials     2943    2943

Impacted Files	Coverage Δ
...m/navercorp/pinpoint/plugin/mongo/MongoPlugin.java	0% <0%> (ø)	⬆️
...navercorp/pinpoint/rpc/common/SocketStateCode.java	82.92% <0%> (-2.44%)	⬇️
...corp/pinpoint/rpc/stream/StreamChannelManager.java	70.68% <0%> (-1.73%)	⬇️
...rc/main/java/com/navercorp/pinpoint/test/Item.java	68.96% <0%> (ø)	⬆️
...point/rpc/client/DefaultPinpointClientHandler.java	72.61% <0%> (+0.31%)	⬆️
...orp/pinpoint/rpc/server/DefaultPinpointServer.java	79.86% <0%> (+1.04%)	⬆️
...java/com/navercorp/pinpoint/rpc/DefaultFuture.java	74.16% <0%> (+1.66%)	⬆️
...om/navercorp/pinpoint/rpc/codec/PacketDecoder.java	63.82% <0%> (+2.12%)	⬆️
...vercorp/pinpoint/rpc/packet/ClientClosePacket.java	66.66% <0%> (+11.11%)	⬆️
...p/pinpoint/rpc/client/WriteFailFutureListener.java	75% <0%> (+18.75%)	⬆️

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[asgs]

1. Please develop based on `master` code. It's should be 1.9.0-SNAPSHOT.

@RoySRose

1. in 1.9.0-SS, the method transform(String className, TransformCallback transformCallback) is deprecated, so the code will need to be adjusted (slightly)
2. Also, since 1.9.0-SS is nightly (and might be unstable at the moment), we were inclined towards merging this change to the 1.8.x mainline and get the updated artifact relatively immediately

[RoySRose]

@asgs

I think you can use whatever you have for your current operating system.
Merging into 1.8.x mainline has no meaning since there won't be any more updates with 1.8.x.(may occur if there are critical bugs, but not likely)
Codes merged in the master will only be appied in the further versions. So, normally contributions need to be merged to master branch.

About the deprecation of method transform. It won't be so hard to change if you check the codes in Mongo plugin code in master branch.

Let me know your thoughts.

[asgs]

@RoySRose makes sense. shall I close this and raise a new PR based off of master?

[RoySRose]

@asgs

shall I close this and raise a new PR based off of master?

Yeah, would be great~!