Display: Default SRE to off

Facemelt mode is catching people by surprise and being interpreted
as "messed up colors". Default it to off so people can at least see
it kick in as a reaction to enablement

Change-Id: I5816e528363f508fc360c321c702a59f0bb79846
(cherry picked from commit 00cc04daf713d86356777b525e410c56648973ea)