init: Do not invoke the ServiceList destructor when exiting

From the Google C++ style guide: "Objects with static storage duration
are forbidden unless they are trivially destructible." Hence this CL.

Bug: 213617178
Change-Id: I4c9a51618ee1eb14ed439295a5fc0101b940a63d
Signed-off-by: Bart Van Assche <bvanassche@google.com>