QCamera2: HAL3: Don't enable lens shading maps for all templates

Lens shading maps are only required for high quality DNG writing and
certain still capture modes.

Disabling lens shading maps has CPU/power benefit because metadata is
copied across processes.

Bug: 30924070
Change-Id: Idd77d6c5367c07180ccbd2addec975bc34ec2913
1 file changed