Temporarily disable pw_kvs on Windows
Temporarily disable pw_kvs on Windows

pw_kvs does not currently build on Windows due to compiler issues. As it
is in the process of a complete rehaul, this change temporarily removes
it from the build.

Change-Id: If6b9ebdded6250b215802200a2ece98b8c7d0de9

google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed,google/pigweed