Camera: Enforce ZERO_SHUTTER_LAG mode

Camera devices that support YUV or PRIVATE reprocessing must list
ZERO_SHUTTER_LAG mode in android.edge.availableEdgeModes and
android.noiseReduction.availableNoiseReductionModes, and it must
be the default mode for ZSL template.

Bug: 22266686
Change-Id: I4728b2261760d11d695e9e364d8a72b3b2d31284