Creates new FLAG_APP_INACCESSIBLE flag for DeviceState

Creates new flag to signify a device state that is inaccessible
for an application to be launched on. This helps improve CTS
testing to make sure we're only testing on device states that
make sense.

Bug: 230826329
Test: adb shell cmd device_state print-states
Change-Id: I21acb936a721af62a4a9a4566246954943f05f67