NX-OS: support overriding OSPF distance

[dhalperi]

No description provided.

[batfish-bot]

This change is 

[progwriter]

Reviewed 7 of 7 files at r1.
Reviewable status: complete! all files reviewed, all discussions resolved

[codecov]

Codecov Report

Merging #5515 into master will decrease coverage by <.01%.
The diff coverage is 100%.

@@             Coverage Diff              @@
##             master    #5515      +/-   ##
============================================
- Coverage     73.54%   73.54%   -0.01%     
+ Complexity    32375    32373       -2     
============================================
  Files          2637     2637              
  Lines        129918   129928      +10     
  Branches      15580    15580              
============================================
+ Hits          95550    95553       +3     
- Misses        26794    26804      +10     
+ Partials       7574     7571       -3

Impacted Files	Coverage Δ	Complexity Δ
...n/java/org/batfish/datamodel/ospf/OspfProcess.java	90.52% <100%> (+0.2%)	51 <0> (ø)	⬇️
...batfish/representation/cisco_nxos/OspfProcess.java	94.82% <100%> (+0.28%)	31 <2> (+2)	⬆️
...mar/cisco_nxos/CiscoNxosControlPlaneExtractor.java	75.8% <100%> (+0.01%)	993 <1> (+1)	⬆️
...resentation/cisco_nxos/CiscoNxosConfiguration.java	88.87% <100%> (ø)	348 <3> (ø)	⬇️
.../src/main/java/org/batfish/datamodel/flow/Hop.java	53.33% <0%> (-6.67%)	5% <0%> (-1%)
...rc/main/java/org/batfish/datamodel/flow/Trace.java	87.09% <0%> (-3.23%)	12% <0%> (-1%)
...src/main/java/org/batfish/coordinator/PoolMgr.java	64.04% <0%> (-1.13%)	15% <0%> (-1%)
...batfish/src/main/java/org/batfish/main/Driver.java	38.07% <0%> (-0.26%)	28% <0%> (ø)
...tfish/representation/cisco/CiscoConfiguration.java	86.02% <0%> (-0.13%)	544% <0%> (-1%)