Add a flag to indicate whenever pvt data reconciliation has to be
enabled or disabled. Defaulting to be disabled for 1.3, while later on
we need to expose this key into configuration and default to true.

Change-Id: Ic5492433110d97dd9687a59e0d75dfa82a1ba424
Signed-off-by: Artem Barger <bartem@il.ibm.com>