initialize connectTimeout and socketTimeout from jdbcUrl or properties

[zrlw]

see #5310 #5565

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 53.33333% with 21 lines in your changes missing coverage. Please review.

Project coverage is 58.72%. Comparing base (0884b37) to head (c06c8f4).
Report is 342 commits behind head on master.

Files with missing lines	Patch %	Lines
...om/alibaba/druid/pool/DruidAbstractDataSource.java	29.16%	13 Missing and 4 partials ⚠️
...n/java/com/alibaba/druid/pool/DruidDataSource.java	80.95%	2 Missing and 2 partials ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #5706      +/-   ##
============================================
- Coverage     58.73%   58.72%   -0.01%     
+ Complexity    27789    27782       -7     
============================================
  Files          1333     1333              
  Lines        127668   127681      +13     
  Branches      24052    24058       +6     
============================================
- Hits          74982    74979       -3     
- Misses        43354    43366      +12     
- Partials       9332     9336       +4     

Files with missing lines	Coverage Δ
...n/java/com/alibaba/druid/pool/DruidDataSource.java	70.19% <80.95%> (-0.20%)	⬇️
...om/alibaba/druid/pool/DruidAbstractDataSource.java	78.84% <29.16%> (-0.69%)	⬇️

... and 1 file with indirect coverage changes

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