Enable UVC support on shuksy

Shiba and husky now support the UVC gadget function. Setting this flag
triggers the framework to surface the UVC specific functionality and UI.

Bug: 287675279

Test: Use webcam on shusky

Change-Id: I3e5d3b64f8d21cac77e519f335e046231ad4fbb1
Signed-off-by: Jayant Chowdhary <jchowdhary@google.com>