Update Maximize Menu UI

1) Change "Snap Screen" test to "Resize"
2) Change menu's corner radius to 16dp
3) Fix RTL spacing in snap left/right options
4) Update immersive button fill
5) Update restore button fill
6) Use different border color for inactive options

Fix: 376075104
Fix: 356210491
Flag: EXEMPT bug fix
Test: atest WMShellUnitTests
Change-Id: I3b887cd6d8f4a33af748e423ef80c2faf64b7153