update init perf worker script

tools/gce/linux_performance_worker_init.sh

@@ -126,6 +126,7 @@ sudo sh -c 'echo "deb [arch=amd64] https://apt-mo.trafficmanager.net/repos/dotne
 sudo apt-key adv --keyserver apt-mo.trafficmanager.net --recv-keys 417A0893
 sudo apt-get update
 sudo apt-get install -y dotnet-dev-1.0.0-preview2-003131
+sudo apt-get install -y dotnet-dev-1.0.1
 
 # Ruby dependencies
 gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3