Add Exceptions to trace or ignore in Tracer

[CarpenterLee]

Signed-off-by: Carpenter Lee hooleeucas@163.com

Describe what this PR does / why we need it

Exception statistics are the basis for degradation or circuit breaker, and Tracer.trace() will trace any exception besides BlockException, this means any kinds of exception except for BlockException will have an effect on degradation.

Sometimes we may want to ignore some kind of exceptions in the statistics.

This PR Supports inclusive or exclusive Exception types in exception tracing.

Does this pull request fix one issue?

Fixes #761

Describe how you did it

Add Tracer.setExceptionsToTrace() and Tracer.setExceptionsToIgnore() in Tracer, to supports inclusive or exclusive Exception types in exception tracing.

Describe how to verify it

Run test cases.

[codecov-io]

Codecov Report

Merging #766 into master will increase coverage by 0.07%.
The diff coverage is 67.85%.

@@             Coverage Diff              @@
##             master     #766      +/-   ##
============================================
+ Coverage        41%   41.07%   +0.07%     
- Complexity     1334     1346      +12     
============================================
  Files           301      301              
  Lines          8629     8654      +25     
  Branches       1159     1166       +7     
============================================
+ Hits           3538     3555      +17     
- Misses         4665     4670       +5     
- Partials        426      429       +3

Impacted Files	Coverage Δ	Complexity Δ
...src/main/java/com/alibaba/csp/sentinel/Tracer.java	31.14% <67.85%> (+31.14%)	12 <12> (+12)	⬆️
...tinel/slots/block/flow/param/ParamFlowChecker.java	52.7% <0%> (-2.71%)	28% <0%> (-1%)
...java/com/alibaba/csp/sentinel/util/AssertUtil.java	26.66% <0%> (+13.33%)	3% <0%> (+1%)	⬆️

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[sczyh30]

LGTM