Fix platform matching bug

[frankfliu]

Change-Id: Ia5ae7545a78ff66b728298e3a6768462cad33ead

Description

Brief description of what this PR is about

• If this change is a backward incompatible change, why must this change be made?
• Interesting edge cases to note here

[codecov-commenter]

Codecov Report

Merging #1167 (d16c0fd) into master (1171338) will decrease coverage by 0.00%.
The diff coverage is 0.00%.

@@             Coverage Diff              @@
##             master    #1167      +/-   ##
============================================
- Coverage     70.31%   70.30%   -0.01%     
+ Complexity     5359     5358       -1     
============================================
  Files           514      514              
  Lines         23771    23771              
  Branches       2566     2566              
============================================
- Hits          16715    16713       -2     
- Misses         5697     5698       +1     
- Partials       1359     1360       +1     

Impacted Files	Coverage Δ
api/src/main/java/ai/djl/util/Platform.java	44.23% <0.00%> (ø)
api/src/main/java/ai/djl/repository/Artifact.java	87.80% <0.00%> (-1.63%)	⬇️

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