[#noissue] fix plugin package class requirement filter

[donghun-cho]

to use correct classloader

[codecov]

Codecov Report

Merging #9672 (ae607e5) into master (0e54106) will decrease coverage by 0.01%.
The diff coverage is 66.66%.

@@             Coverage Diff              @@
##             master    #9672      +/-   ##
============================================
- Coverage     38.94%   38.93%   -0.01%     
+ Complexity    11920    11916       -4     
============================================
  Files          3494     3494              
  Lines         93775    93775              
  Branches      10519    10519              
============================================
- Hits          36520    36511       -9     
- Misses        54080    54088       +8     
- Partials       3175     3176       +1     

Impacted Files	Coverage Δ
...profiler/plugin/PinpointProfilerPackageFilter.java	0.00% <ø> (ø)
...iler/plugin/PinpointProfilerPackageSkipFilter.java	90.47% <ø> (ø)
.../pinpoint/profiler/plugin/PluginPackageFilter.java	80.00% <ø> (ø)
...strument/classloading/PlainClassLoaderHandler.java	53.45% <62.50%> (ø)
...er/plugin/PluginPackageClassRequirementFilter.java	80.64% <66.66%> (ø)
...pinpoint/profiler/plugin/ClassNameFilterChain.java	100.00% <100.00%> (ø)
...p/pinpoint/rpc/client/WriteFailFutureListener.java	56.25% <0.00%> (-25.00%)	⬇️
...m/navercorp/pinpoint/rpc/client/ConnectFuture.java	70.83% <0.00%> (-8.34%)	⬇️
...vercorp/pinpoint/rpc/packet/ClientClosePacket.java	46.66% <0.00%> (-6.67%)	⬇️
.../pinpoint/rpc/client/PinpointClientHandshaker.java	59.66% <0.00%> (-2.53%)	⬇️
... and 4 more

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