Fix renderer_hmd using old DepthTest function.
Fix renderer_hmd using old DepthTest function.

Updating DepthTest call to instead use SetDepthFunction.
PiperOrigin-RevId: 140643200
Change-Id: Ib054f383efe19a0ea858b470f3f4315d35f6689f

google/fplbase,google/fplbase,google/fplbase,google/fplbase