hall_sensor: Disable hall sensor input when bootmode is unknown

Bug: 284431215
Test: 1. No hall sensor in getevent.
      2. Inner/outer screen can be switched in offmode charging,
      recovery, fastboot mode.
Change-Id: Id9f93b4687898cf23601516cf69d0338df14e2aa
Signed-off-by: Rick Chen <[email protected]>
1 file changed