system_suspend need to be an early_hal as it's required before storage
encryption can get unlock on FDE devices.
/sys/power/wake_lock is a dependency of system_suspend (only in Q and
earlier). Permissions on this file need to be set early enough.
Bug: 136777986
Bug: 133175847
Test: boot blueline
Change-Id: I8a9d3374b327e451fb98d2279d1bac9477a9560d