Explicitly set mediadrm permissions regardless of mkdir happening

Change-Id: Ic877467f2d3ba4c29ecb2dd9acaf36559747f6ec
Fix whitespace above late-init trigger

Change-Id: I9f64f947324db44548674abc218b582df938343b
Allow scaling sysfs paths to be read always all the time by urrybody

Change-Id: Ic56c241855d07c6cb54942740961b5a9a06a32b6