Remove ExpandableNotificationRow#getExtraBottomPadding()

This method always returned 0.

Bug: 271574712
Test: clean build, start sysui
Change-Id: If74b068d9cfeba0b37c3981bddf17890be9816e7

packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableNotificationRow.java

@@ -191,7 +191,6 @@ public class ExpandableNotificationRow extends ActivatableNotificationView
     private int mMaxSmallHeight;
     private int mMaxSmallHeightLarge;
     private int mMaxExpandedHeight;
-    private int mIncreasedPaddingBetweenElements;
     private int mNotificationLaunchHeight;
     private boolean mMustStayOnScreen;
 
@@ -3109,14 +3108,6 @@ public class ExpandableNotificationRow extends ActivatableNotificationView
         return showingLayout != null && showingLayout.requireRowToHaveOverlappingRendering();
     }
 
-    @Override
-    public int getExtraBottomPadding() {
-        if (mIsSummaryWithChildren && isGroupExpanded()) {
-            return mIncreasedPaddingBetweenElements;
-        }
-        return 0;
-    }
-
     public void setInlineReplyAnimationFlagEnabled(boolean isEnabled) {
         mIsInlineReplyAnimationFlagEnabled = isEnabled;
     }

packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableView.java

@@ -451,7 +451,7 @@ public abstract class ExpandableView extends FrameLayout implements Dumpable, Ro
     protected void updateClipping() {
         if (mClipToActualHeight && shouldClipToActualHeight()) {
             int top = getClipTopAmount();
-            int bottom = Math.max(Math.max(getActualHeight() + getExtraBottomPadding()
+            int bottom = Math.max(Math.max(getActualHeight()
                     - mClipBottomAmount, top), mMinimumHeightForClipping);
             mClipRect.set(Integer.MIN_VALUE, top, Integer.MAX_VALUE, bottom);
             setClipBounds(mClipRect);
@@ -591,13 +591,6 @@ public abstract class ExpandableView extends FrameLayout implements Dumpable, Ro
         return mTransientContainer;
     }
 
-    /**
-     * @return padding used to alter how much of the view is clipped.
-     */
-    public int getExtraBottomPadding() {
-        return 0;
-    }
-
     /**
      * @return true if the group's expansion state is changing, false otherwise.
      */

packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java

@@ -4499,7 +4499,7 @@ public class NotificationStackScrollLayout extends ViewGroup implements Dumpable
                 expandableView.setFakeShadowIntensity(0.0f, 0.0f, 0, 0);
             } else {
                 float yLocation = previous.getTranslationY() + previous.getActualHeight() -
-                        expandableView.getTranslationY() - previous.getExtraBottomPadding();
+                        expandableView.getTranslationY();
                 expandableView.setFakeShadowIntensity(
                         diff / FakeShadowView.SHADOW_SIBLING_TRESHOLD,
                         previous.getOutlineAlpha(), (int) yLocation,