Adjust notification dots

- Use consistent bounds for folders as other icons, to ensure dot
  has a consistent placement (moved right+up a bit)
- Strengthen the ambient shadow to improve contrast
  - Increased blur size and opacity
- Use a dark gray rather than black for dots on dark folders

Bug: 73331123
Change-Id: I888f4645d3a48465af93f5003dda8f8b7c3129f3

src/com/android/launcher3/BubbleTextView.java

@@ -386,10 +386,14 @@ public class BubbleTextView extends TextView implements ItemInfoUpdateReceiver,
     }
 
     public void getIconBounds(Rect outBounds) {
-        int top = getPaddingTop();
-        int left = (getWidth() - mIconSize) / 2;
-        int right = left + mIconSize;
-        int bottom = top + mIconSize;
+        getIconBounds(this, outBounds, mIconSize);
+    }
+
+    public static void getIconBounds(View iconView, Rect outBounds, int iconSize) {
+        int top = iconView.getPaddingTop();
+        int left = (iconView.getWidth() - iconSize) / 2;
+        int right = left + iconSize;
+        int bottom = top + iconSize;
         outBounds.set(left, top, right, bottom);
     }