Set status bar icons to dark at correct all apps progress

Bug: 79866102
Change-Id: I8c97896319406c8360a2f60d213868ad59dafe19

src/com/android/launcher3/allapps/AllAppsTransitionController.java

@@ -128,7 +128,8 @@ public class AllAppsTransitionController implements StateHandler, OnDeviceProfil
 
         // Use a light system UI (dark icons) if all apps is behind at least half of the
         // status bar.
-        boolean forceChange = shiftCurrent <= mShiftRange / 4;
+        boolean forceChange = shiftCurrent - mScrimView.getDragHandleSize()
+                <= mLauncher.getDeviceProfile().getInsets().top / 2;
         if (forceChange) {
             mLauncher.getSystemUiController().updateUiState(UI_STATE_ALL_APPS, !mIsDarkTheme);
         } else {

src/com/android/launcher3/views/ScrimView.java

@@ -388,4 +388,8 @@ public class ScrimView extends View implements Insettable, OnChangeListener,
             return false;
         }
     }
+
+    public int getDragHandleSize() {
+        return mDragHandleSize;
+    }
 }