Add okhttp-4.x plugin

[liqiangz]

• If this pull request closes/resolves/fixes an existing issue, replace the issue number. Closes #.
• Update the CHANGES log.

[codecov]

Codecov Report

Merging #6899 (4a16ad4) into master (17fffe8) will decrease coverage by 25.90%.
The diff coverage is n/a.

❗ Current head 4a16ad4 differs from pull request most recent head 246f260. Consider uploading reports for the commit 246f260 to get more accurate results

@@              Coverage Diff              @@
##             master    #6899       +/-   ##
=============================================
- Coverage     54.45%   28.55%   -25.91%     
=============================================
  Files          1844     1741      -103     
  Lines         39358    36516     -2842     
  Branches       4360     4812      +452     
=============================================
- Hits          21434    10426    -11008     
- Misses        16905    25097     +8192     
+ Partials       1019      993       -26     

Impacted Files	Coverage Δ	Complexity Δ
...apm/plugin/okhttp/common/AsyncCallInterceptor.java	0.00% <ø> (ø)	0.00 <0.00> (?)
...g/apm/plugin/okhttp/common/EnqueueInterceptor.java	0.00% <ø> (ø)	0.00 <0.00> (?)
...apm/plugin/okhttp/common/OnFailureInterceptor.java	0.00% <ø> (ø)	0.00 <0.00> (?)
...pm/plugin/okhttp/common/OnResponseInterceptor.java	0.00% <ø> (ø)	0.00 <0.00> (?)
.../apm/plugin/okhttp/common/RealCallInterceptor.java	0.00% <ø> (ø)	0.00 <0.00> (?)
...he/skywalking/oal/rt/output/DispatcherContext.java	0.00% <0.00%> (-100.00%)	0.00% <0.00%> (-1.00%)
...skywalking/oal/rt/output/AllDispatcherContext.java	0.00% <0.00%> (-100.00%)	0.00% <0.00%> (-1.00%)
...ache/skywalking/oap/server/core/source/Source.java	0.00% <0.00%> (-100.00%)	0.00% <0.00%> (-2.00%)
...che/skywalking/oap/server/core/source/Service.java	0.00% <0.00%> (-100.00%)	0.00% <0.00%> (-3.00%)
...che/skywalking/oap/server/core/source/SideCar.java	0.00% <0.00%> (-100.00%)	0.00% <0.00%> (-1.00%)
... and 859 more

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[wu-sheng]

@kezhenxu94 @EvanLjp Please check on codes. The tests seem good.

[kezhenxu94]

LGTM, thanks

EDIT:

Dead Link Checker is fixed in my PR so just ignore it in this PR

[EvanLjp]

LGTM. And the tests seems passed.