Currently if the device is unplugged from host,
there is a lot of log spamming since fastbootd
does not not recognize that the device has been
disconnected and keeps trying to read/write to the
device.
2856 printk messages dropped ** [ 169.941904] c7 579 fastbootd: aio: got error event on
read total bufs 1: No such devie
** 2960 printk messages dropped ** [ 169.953328] c7 579 fastbootd: Fastboot command:
** 2074 printk messages dropped ** [ 169.961355] c7 579 fastbootd: aio: got error event
on read total bufs 1: No such devie
Bug: 121333158
Test: unplug device and check for log spam multiple times
Change-Id: I1d4c6f48f34e313c5ebce23d62a4fe6a6373f94f
Fastbootd is started by recovery, and communicates
over usb with the fastboot protocol.
Add additional fastboot commands to move in and out of
fastbootd. "fastboot reboot recovery" and "fastboot reboot fastboot"
Bug: 78793464
Test: fastboot reboot recovery, fastboot reboot fastboot
Change-Id: Iffb77b2d3ceefb7335c38aa9fba7bd17821484f0
