Change timeout idle settings from permanent binding to 2 minutes. Because the...

Change timeout idle settings from permanent binding to 2 minutes. Because the cinematic wallpaper feature is not a frequently used feature, the service side implementation can choose to use a non-persistent process. Change from permanent binding to timeout on idle helps to kill the non-persistent process if service implementation picks up that option.

Test: manual and cts
Bug: 279988914
Change-Id: I0bdc855cbefb98df896372a8ea91e56d340c64b6