adb reboot reboots in MOS

adb reboot reboots in MOS

BZ: 38390

Modification of logic for making "adb reboot" always go to MOS.

Now we have :
- adb reboot recovery => RECOVERY
- adb reboot bootloader => FASTBOOT
- adb reboot <any other parameter, or no parameter> => MOS

Change-Id: I9ac6f3ca504680a5fbaa9c062b781ccda8d1921c
Signed-off-by: Guillaume Betous <guillaumeX.betous@intel.com>
Reviewed-on: http://android.intel.com:8080/50157
Reviewed-by: Castelain, DavidX <davidx.castelain@intel.com>
Reviewed-by: Afantenos, Marie CecileX <marie.cecilex.afantenos@intel.com>
Reviewed-by: Sahukar, Surya P <surya.p.sahukar@intel.com>
Tested-by: Afantenos, Marie CecileX <marie.cecilex.afantenos@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>