props: update widevine blobs from hammerhead-lrx21o-factory-01315e08

Change-Id: I7a27a721ba36487ef393fb7927bd526022a7653f
m8: disable hce

Change-Id: I3992a1c073350310e356075195dcf7b277c40345
m8: remove useless, broken props

* these are too long, and cwm is dead anyway

Change-Id: Ida301b7173266cdc9b28eaf28ad260f9f6ee09c1

Conflicts:
	system.prop