Revert "Fixed animation breakage when QS area tapped during expand/collapse"

This reverts commit 16dc6c68f791aa966fe66d13a8b5fbbe9308b876.

Reason for revert: Testing tablet specific failure seen in b/260618001. This is part of DM+Platinum monitor rotation. The revert won't be submitted if proven otherwise.

Change-Id: I73a2d5a871f714fdfe15d55af9cc52a5f295452c
diff --git a/packages/SystemUI/src/com/android/systemui/shade/NotificationPanelViewController.java b/packages/SystemUI/src/com/android/systemui/shade/NotificationPanelViewController.java
index 629d3d4..e68182e 100644
--- a/packages/SystemUI/src/com/android/systemui/shade/NotificationPanelViewController.java
+++ b/packages/SystemUI/src/com/android/systemui/shade/NotificationPanelViewController.java
@@ -2072,13 +2072,6 @@
                 mInitialTouchX = x;
                 initVelocityTracker();
                 trackMovement(event);
-                float qsExpansionFraction = computeQsExpansionFraction();
-                // Intercept the touch if QS is between fully collapsed and fully expanded state
-                if (qsExpansionFraction > 0.0 && qsExpansionFraction < 1.0) {
-                    mShadeLog.logMotionEvent(event,
-                            "onQsIntercept: down action, QS partially expanded/collapsed");
-                    return true;
-                }
                 if (mKeyguardShowing
                         && shouldQuickSettingsIntercept(mInitialTouchX, mInitialTouchY, 0)) {
                     // Dragging down on the lockscreen statusbar should prohibit other interactions
@@ -2331,13 +2324,6 @@
         if (!isFullyCollapsed()) {
             handleQsDown(event);
         }
-        // defer touches on QQS to shade while shade is collapsing. Added margin for error
-        // as sometimes the qsExpansionFraction can be a tiny value instead of 0 when in QQS.
-        if (computeQsExpansionFraction() <= 0.01 && getExpandedFraction() < 1.0) {
-            mShadeLog.logMotionEvent(event,
-                    "handleQsTouch: QQS touched while shade collapsing");
-            mQsTracking = false;
-        }
         if (!mQsExpandImmediate && mQsTracking) {
             onQsTouch(event);
             if (!mConflictingQsExpansionGesture && !mSplitShadeEnabled) {
@@ -2578,6 +2564,7 @@
         // Reset scroll position and apply that position to the expanded height.
         float height = mQsExpansionHeight;
         setQsExpansionHeight(height);
+        updateExpandedHeightToMaxHeight();
         mNotificationStackScrollLayoutController.checkSnoozeLeavebehind();
 
         // When expanding QS, let's authenticate the user if possible,