gralloc: Fix ITU formats for camera

Make sure ITU formats are applied exclusively for camera buffers.
Camera HW_TEXTURE buffers go to GPU and should be marked as 601 FR.
Earlier, this was OR'd with video encoder due to which it
incorrectly got marked as 709.

Change-Id: Icaf3692b581b7861229e613dd632123d21dda2cf
1 file changed