Adjust crop to account for child scaling

The computed crop is in view-relative domain, but we need
it to be in surface-relative domain since that's what
surfaceflinger is speaking. So adjust the crop by the scale
from surfaceWidth/Height to the RenderNode's width/height

Bug: 298621623
Flag: com.android.graphics.hwui.flags.clip_surfaceviews
Test: HwAccelerationTest demo & atest CtsUiRenderingTestCases
Change-Id: I9d5908c2ca2c6b6331c8f35f658783ab3b2fe6f1