Fixes -Wint-to-pointer and -Wpointer-to-int warnings, plus various -Wformat warnings. Change-Id: I6c5eea6b4273d82d28b8e5d2925f3e5457511b17
Initial commit of fastbootd. A few commands work, but not fully functional yet. Change-Id: I589dee7b327b4460e94b4434aaf9bcf780faa839