Tools: Fix install of non-whitelisted services

Previously, a service restart would occur even when running in whitelist
mode without the service being present in the whitelist.

Signed-off-by: Sol Jerome <sol.jerome@gmail.com>
testsuite: Fix tools __init__.py unit test

Signed-off-by: Sol Jerome <sol.jerome@gmail.com>
doc: Add note about Decisions fix for 1.3.6

Signed-off-by: Sol Jerome <sol.jerome@gmail.com>