cameraservice: handle Surfaces coming from vendor clients

Vendor client interface has been updated to use Surface instead
of NativeHandle for parceling ImageReader surface.

This CL updates the cameraservice to handle both windowHandles
and surfaces coming from the vendor client.

Bug: 283283111
Test: 'atest ACameraNdkVendorTest' passes
      FaceHAL works OK!
Change-Id: I2e5515cfedd5d37c5addcf40aa56b0ecfa42b53f