services: Add iorap forwarding service

Add a new service to system_server. It purely forwards
data from internal APIs to iorapd over binder, it is not a binder
service itself.

Currently forwards ActivityMetricsLaunchObserver APIs from
ActivityTaskManagerInternal.

Bug: 72170747
Change-Id: Ic4fa283df1c16660099030c74a0039ef24866819
8 files changed