Compatible behavior for non-resizable activity (2/N)

Scale and offset activity with compatibility bounds horizontally.
This reuses the existing scaling flow of compatibility mode,
so the insets scaling is also handled when computing frames.

Bug: 112288258
Test: atest AppWindowTokenTests#testSizeCompatBounds
Change-Id: I42a3fae7cd27f3ab6d79d885bedbea2e34874d01