DO NOT MERGE cherry-pick "adb reboot" from master:

adb: add "adb reboot" command.

This will allow rebooting the device via adb on any build, including user builds.
An optional argument can be provided
(for example, "adb reboot bootloader" or adb reboot recovery")

Signed-off-by: Mike Lockwood <lockwood@android.com>
4 files changed