[IOT-2010] Move PMGenerateQuery export to octbstack_product_secured.def

[IOT-2010] Move PMGenerateQuery export to octbstack_product_secured.def

Change-Id: I8033841aa2217978fbb04cf0ae3494b93bb64f72
Signed-off-by: Alex Kelley <alexke@microsoft.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/18625
Tested-by: jenkins-iotivity <jenkins@iotivity.org>
Reviewed-by: Dan Mihai <Daniel.Mihai@microsoft.com>
Reviewed-by: Kevin Kane <kkane@microsoft.com>
Reviewed-by: Mike Fenelon <mike.fenelon@microsoft.com>
(cherry picked from commit fb7c36315b96a1bb8cd2f1fe03c6c66ee0b89eac)
Reviewed-on: https://gerrit.iotivity.org/gerrit/18825