Don't return immediately from reboot commands.

The reboot commands return too fast, interfering with testing.
Add a pause(), which will allow the device time to complete the
reboot.

Change-Id: Ie9cc6eea67b7ff662ec71ea2329cbb94f8d55404
Bug: 11369303
Merge branch 'cm-11.0' into martincz
recovery: update copyright year

Change-Id: I5e6a0d362bf30a99857fc90af715e985c26d9282