Fix sites with zero AD to actually use SITE-level DP value as intended

[ldgauthier]

No description provided.

[ldgauthier]

Not critical for this week's release.

[codecov-io]

Codecov Report

Merging #5835 into master will increase coverage by 0.007%.
The diff coverage is 100%.

@@               Coverage Diff               @@
##              master     #5835       +/-   ##
===============================================
+ Coverage     87.042%   87.049%   +0.007%     
- Complexity     32163     32167        +4     
===============================================
  Files           1974      1974               
  Lines         147466    147466               
  Branches       16232     16232               
===============================================
+ Hits          128357    128367       +10     
+ Misses         13189     13181        -8     
+ Partials        5920      5918        -2

Impacted Files	Coverage Δ	Complexity Δ
...bender/tools/walkers/variantutils/ReblockGVCF.java	82.609% <100%> (+1.087%)	47 <0> (+1)	⬆️
...nder/utils/runtime/StreamingProcessController.java	67.773% <0%> (+0.474%)	33% <0%> (ø)	⬇️
...ithwaterman/SmithWatermanIntelAlignerUnitTest.java	90% <0%> (+30%)	2% <0%> (ø)	⬇️
...utils/smithwaterman/SmithWatermanIntelAligner.java	90% <0%> (+40%)	3% <0%> (+2%)	⬆️

[droazen]

👍 merge when ready @ldgauthier