Prepare for CL c/850797 which adds a handedness to function OrthoHelper()
Prepare for CL c/850797 which adds a handedness to function
OrthoHelper()

Change-Id: I0f3ad9c01f8358e462d45bd2635dde505691e382
Tested: linux build

google/flatui,google/flatui,google/flatui,google/flatui