Fix a bug in ResponseInfo.release

[justinlin-linkedin]

Increment numChunksWrittenOut before releasing the responseInfo might end up another thread calling completeRead at the same time. We might see the same ResponseInfo being released twice.

[codecov-io]

Codecov Report

❗ No coverage uploaded for pull request base (master@c93821b). Click here to learn what that means.
The diff coverage is 100%.

@@            Coverage Diff            @@
##             master    #1330   +/-   ##
=========================================
  Coverage          ?   72.18%           
  Complexity        ?     6503           
=========================================
  Files             ?      472           
  Lines             ?    37240           
  Branches          ?     4697           
=========================================
  Hits              ?    26883           
  Misses            ?     9109           
  Partials          ?     1248

Impacted Files	Coverage Δ	Complexity Δ
...java/com.github.ambry.router/GetBlobOperation.java	91.78% <100%> (ø)	39 <0> (?)

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