Update RecentsWindowSwipeHandler to animate home->overview properly

Update RecentsWindowSwipeHandler to animate home alpha properly

Flag: com.android.launcher3.enable_fallback_overview_in_window
Fixes: 366022874
Test: Attempted gesture from home and launched app

Change-Id: Idf4ed071a843a129f1d39caa59e468f6c88e9e38
2 files changed