SurfaceView: Fix missing override for SurfaceControl proxy

I will not pretend classes are interfaces...I will not pretend
classes are interfaces...

Bug: 62444724
Test: cts-tradefed run singleCommand cts -d -o --module CtsViewTestCases --test android.view.cts.SurfaceViewSyncTest#testSurfaceViewBigScale
      go/wm-smoke

Change-Id: Iccca46edcd669430c32f31e9c7d8aba1db254f2d