goldfish: let usbmanager starts adbd

and lets qemu.logcat=start to start goldfish-logcat

this will prevent usbmanager from killing adbd during
booting up; also removes un-necessary starting of
goldfish-logcat when host is not requestingit.

Change-Id: I7bd468dc96529e4d96fd5beda67e1d22574a06e8
Merged-In: Id9d41675362192ffe771e1188e2d7d9729268c0d
1 file changed