android: Fixed issue using single quoted command with adb_shell
android: Fixed issue using single quoted command with adb_shell

When using 'check_exit_code' and 'as_root' options for adb_shell with
a command containing single quotes, the provided command was escaped
twice which has now been avoided.

Sticklyman1936/workload-automation,jimboatarm/workload-automation,bjackman/workload-automation,jimboatarm/workload-automation,Sticklyman1936/workload-automation,bjackman/workload-automation,jimboatarm/workload-automation,bathepawan/workload-automation,bathepawan/workload-automation,Sticklyman1936/workload-automation,bathepawan/workload-automation,bathepawan/workload-automation,bjackman/workload-automation,bjackman/workload-automation,bathepawan/workload-automation,Sticklyman1936/workload-automation,bjackman/workload-automation,jimboatarm/workload-automation,bjackman/workload-automation,bathepawan/workload-automation,jimboatarm/workload-automation,Sticklyman1936/workload-automation,Sticklyman1936/workload-automation,jimboatarm/workload-automation