!750 增加location host进程uid，gid定义

Merge pull request !750 from 刘彬俊/master

services/etc/group

@@ -16,6 +16,7 @@ keystore:x:1017:
 usb:x:1018:
 drm:x:1019:
 gps:x:1020:
+location_host:x:1021:
 media_rw:x:1023:
 dsoftbus:x:1024:
 nfc:x:1027:

services/etc/passwd

@@ -16,6 +16,7 @@ keystore:x:1017:1017:::/bin/false
 usb:x:1018:1018:::/bin/false
 drm:x:1019:1019:::/bin/false
 gps:x:1020:1020:::/bin/false
+location_host:x:1021:1021:::/bin/false
 media_rw:x:1023:1023:::/bin/false
 dsoftbus:x:1024:1024:::/bin/false
 nfc:x:1027:1027:::/bin/false