Update Appveyor for jdk9

[AfsanehR-zz]

No description provided.

[codecov-io]

Codecov Report

Merging #619 into dev will decrease coverage by 0.03%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##                dev     #619      +/-   ##
============================================
- Coverage     46.58%   46.54%   -0.04%     
+ Complexity     2229     2226       -3     
============================================
  Files           109      109              
  Lines         25409    25409              
  Branches       4184     4184              
============================================
- Hits          11836    11826      -10     
- Misses        11539    11551      +12     
+ Partials       2034     2032       -2

Flag	Coverage Δ	Complexity Δ
#JDBC42	46.39% <ø> (-0.11%)	2222 <ø> (-7)
#JDBC43	46.41% <ø> (-0.02%)	2218 <ø> (ø)

Impacted Files	Coverage Δ	Complexity Δ
...om/microsoft/sqlserver/jdbc/ReaderInputStream.java	44.94% <0%> (-2.25%)	16% <0%> (-1%)
...n/java/com/microsoft/sqlserver/jdbc/Parameter.java	62.01% <0%> (-0.43%)	63% <0%> (ø)
...m/microsoft/sqlserver/jdbc/SQLServerResultSet.java	32.75% <0%> (-0.41%)	241% <0%> (-4%)
...ncurrentlinkedhashmap/ConcurrentLinkedHashMap.java	39.4% <0%> (-0.22%)	44% <0%> (-1%)
...rc/main/java/com/microsoft/sqlserver/jdbc/dtv.java	63.14% <0%> (-0.07%)	0% <0%> (ø)
...in/java/com/microsoft/sqlserver/jdbc/IOBuffer.java	53.9% <0%> (-0.04%)	0% <0%> (ø)
...om/microsoft/sqlserver/jdbc/SQLServerBulkCopy.java	52.61% <0%> (+0.06%)	240% <0%> (+1%)	⬆️
...m/microsoft/sqlserver/jdbc/SQLServerStatement.java	59.73% <0%> (+0.1%)	134% <0%> (+1%)	⬆️
...rc/main/java/com/microsoft/sqlserver/jdbc/DDC.java	45.37% <0%> (+0.45%)	105% <0%> (ø)	⬇️
...c/main/java/com/microsoft/sqlserver/jdbc/Util.java	61.57% <0%> (+0.65%)	89% <0%> (+1%)	⬆️

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