vm/cuttlefish: run commands from deviceRoot
vm/cuttlefish: run commands from deviceRoot

Create the the deviceRoot directory, then
run adb commands from deviceRoot (data/fuzz).

Additionally, added quotes in adb shell mounting
command; commands should be run inside shell.

xairy/syzkaller,xairy/syzkaller,google/syzkaller,xairy/syzkaller,google/syzkaller,google/syzkaller,xairy/syzkaller,google/syzkaller,google/syzkaller,xairy/syzkaller,xairy/syzkaller,xairy/syzkaller,google/syzkaller,google/syzkaller