Introduce provider for drag resize handle sizes.

Bug: 335850704
Test: atest WMShellUnitTests:ResizeHandleSizeRepositoryTests
Test: atest WMShellUnitTests:ResizeHandleSizeRepositoryParamaterizedTests
Flag: com.android.window.flags.enable_windowing_edge_drag_resize
Change-Id: I68802939f7ad419175c491cbc00d1001d223e580
13 files changed