Documentation updates for PDP/PAP Testing/Debug

Modified rst documents with a couple minor updates for healthcheck and
logging info

Made various changes from Jorge's comments and added a section for BRMSGW

Change-Id: Id1dc6001700d5d84ec899810645a8ca22bec2a04
Issue-ID: POLICY-1168
Signed-off-by: Michael Mokry <michael.mokry@att.com>
2 files changed