Fixed split in Desktop windowing
When desktop windowing is enable and split is selected, during second app selection apps' scroll was far off on left. There were several things needed to fix this :
1. Hide DesktopTaskView during split select mode by changing splitAlpha
2. Fix min/max scroll calculation by excluding DesktopTaskView in split select mode
3. Exclude DesktopTaskView in updateGridProperties row length calcualtion
Testing: Manually needed to test multiple scenarios
1. Split focused task.
2. Split Even/Odd tasks in top and bottom rows.
3. Split tasks from home screen
4. Split and rotate screen.
5. Split from app icon chip
Test: SplitSelectStateControllerTest, Manual
BUG: 330342294
FIX: 330342294
Flag: com.android.launcher3.enable_large_desktop_windowing_tile
Change-Id: I789873100f42896c9ed3084accb0f6970abcba0c
7 files changed