Increate the time we wait for the emulator to start to 1 minute.

This is a quick hack to see if the device setup failures on the bot are caused by doing it
too early in the device boot sequence. I'll make up a better fix if this is really the case.


git-svn-id: http://address-sanitizer.googlecode.com/svn/trunk@2240 3c3640eb-14a6-2bb8-0b94-e9e73afe33f5