NetKVM: BZ#958737 NDISTest 6.5 - E2EPerf job(1110) failed on win 2012 due to performance issue

This patch fixes RSC statistics issue that make this test fail.
Still RSC statistics related to number of coalesced packets are
simulated due to lack of real data and this is something that must be fixed.
[virtio-win] update status file. build63
[netkvm] shrink netkvmco coinstaller size.
[netkvm] un-capitalize netkvm driver name in Visual Studio builds.