Adding method descriptor resolution

[jlerbsc]

Fixes #2059 .
https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.3.3
The method descriptor for the method:

 Object m(int i, double d, Thread t) {...}

is

(IDLjava/lang/Thread;)Ljava/lang/Object;

Note that the internal forms of the binary names of Thread and Object are used.

[codecov]

Codecov Report

Merging #2976 (255603d) into master (8fb6e42) will decrease coverage by 0.002%.
The diff coverage is 92.307%.

@@               Coverage Diff               @@
##              master     #2976       +/-   ##
===============================================
- Coverage     54.866%   54.864%   -0.003%     
  Complexity      2410      2410               
===============================================
  Files            602       602               
  Lines          33279     33295       +16     
  Branches        5596      5595        -1     
===============================================
+ Hits           18259     18267        +8     
- Misses         13172     13179        +7     
- Partials        1848      1849        +1     

Flag	Coverage Δ	Complexity Δ
AlsoSlowTests	54.864% <92.307%> (-0.003%)	0.000 <0.000> (ø)
javaparser-core	50.519% <38.461%> (-0.043%)	0.000 <0.000> (ø)
javaparser-symbol-solver	39.579% <92.307%> (+0.002%)	0.000 <0.000> (ø)
jdk-10	54.861% <92.307%> (-0.001%)	0.000 <0.000> (ø)
jdk-11	54.864% <92.307%> (+0.002%)	0.000 <0.000> (ø)
jdk-12	54.864% <92.307%> (+0.002%)	0.000 <0.000> (ø)
jdk-13	54.864% <92.307%> (+0.002%)	0.000 <0.000> (ø)
jdk-14	54.864% <92.307%> (+0.002%)	0.000 <0.000> (ø)
jdk-15	54.864% <92.307%> (+0.002%)	0.000 <0.000> (ø)
jdk-8	?	?
jdk-9	54.864% <92.307%> (+0.002%)	0.000 <0.000> (ø)
macos-latest	?	?
ubuntu-latest	54.864% <92.307%> (+0.012%)	0.000 <0.000> (ø)
windows-latest	?	?

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ	Complexity Δ
.../com/github/javaparser/ast/type/ReferenceType.java	15.000% <ø> (ø)	0.000 <0.000> (ø)
...main/java/com/github/javaparser/ast/type/Type.java	29.069% <0.000%> (-0.342%)	0.000 <0.000> (ø)
.../com/github/javaparser/ast/type/TypeParameter.java	37.313% <0.000%> (-0.566%)	0.000 <0.000> (ø)
.../github/javaparser/ast/body/MethodDeclaration.java	68.141% <100.000%> (+2.103%)	0.000 <0.000> (ø)
...java/com/github/javaparser/ast/type/ArrayType.java	85.393% <100.000%> (+0.687%)	0.000 <0.000> (ø)
...thub/javaparser/ast/type/ClassOrInterfaceType.java	58.163% <100.000%> (+0.431%)	0.000 <0.000> (ø)
.../com/github/javaparser/ast/type/PrimitiveType.java	63.636% <100.000%> (+1.136%)	0.000 <0.000> (ø)
.../java/com/github/javaparser/ast/type/VoidType.java	48.000% <100.000%> (+2.166%)	0.000 <0.000> (ø)
.../resolution/typesolvers/ClassLoaderTypeSolver.java	76.470% <0.000%> (-5.883%)	10.000% <0.000%> (ø%)
...urces/com/github/javaparser/TokenMgrException.java	69.230% <0.000%> (-5.129%)	0.000% <0.000%> (ø%)
... and 3 more

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[jlerbsc]

We can get method descriptor from MethodDeclaration.