Only use surface based touchable region for updating input window

The usages of magnification, touch-exclude-region, drag-and-drop,
window info for accessibility still need the real position on screen.

Bug: 120242516
Test: atest LoginActivityTest#testSaveOnly
Change-Id: I49f8b5d0481fa3ffdec70aecac0f10da6e2284b6
2 files changed