Adaptive scribe bounds: Adjust touchable region 3/n

Add surface transactions to modify the touchable region
in Ink surface

Bug: 350047836
Flag: android.view.inputmethod.adaptive_handwriting_bounds
Test: atest CtsInputMethodTestCases StylusHandwritingTest

Change-Id: I21198ca16d3abeb0b4387ce39da951ba5364c82e
3 files changed