Realignment filter annotates vcf with passing and failing read counts

[davidbenjamin]

@takutosato More for MC3.

[codecov-io]

Codecov Report

Merging #5328 into master will increase coverage by <.001%.
The diff coverage is 100%.

@@               Coverage Diff               @@
##              master     #5328       +/-   ##
===============================================
+ Coverage     86.794%   86.794%   +<.001%     
  Complexity     30124     30124               
===============================================
  Files           1843      1843               
  Lines         139480    139484        +4     
  Branches       15376     15376               
===============================================
+ Hits          121060    121064        +4     
  Misses         12827     12827               
  Partials        5593      5593

Impacted Files	Coverage Δ	Complexity Δ
...ute/hellbender/utils/variant/GATKVCFConstants.java	80% <ø> (ø)	4 <0> (ø)	⬇️
...e/hellbender/utils/variant/GATKVCFHeaderLines.java	95.808% <100%> (+0.025%)	10 <0> (ø)	⬇️
...rs/realignmentfilter/FilterAlignmentArtifacts.java	91.803% <100%> (+0.424%)	19 <0> (ø)	⬇️