Intro. alivenessmonitor-impl-protocols to break cyclic dependency

Intro. alivenessmonitor-impl-protocols to break cyclic dependency

This change makes alivenessmonitor-impl not be dependent on
interfacemanager-api anymore, by refactoring the protocol handlers
(which are somewhat orthogonal) into a separate bundle, thus breaking a
cyclic dependency which caused issues in the BP migration (c/49175).

The real problem actually wasn't the compile time dependency of
alivenessmonitor-impl to interfacemanager-api, but the (implicit)
blueprint DI dependency to interfacemanager-impl (which itself requires
alivenessmonitor); but this solves this, because now
(only) interfacemanager-impl can depend on alivenessmonitor, and the 3rd
new
bundle alivenessmonitor-impl-protocols depends on both.

Change-Id: I4fe98dbf55e727d6704b216c5fea304e336babb2
Signed-off-by: Michael Vorburger <vorburger@redhat.com>