Revert "Fade in quick settings when shade opens"

This reverts commit 0e50fa68fc5b283de8d05a144f328c0b4e84e950.

Reason for revert: Bug: 177809978

Change-Id: Ia2dd5f1cdb4d807eaa82dc4b9f96349bf1c3e658
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSAnimator.java b/packages/SystemUI/src/com/android/systemui/qs/QSAnimator.java
index bba8579..e9207f1 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSAnimator.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSAnimator.java
@@ -29,7 +29,6 @@
 import com.android.systemui.qs.TouchAnimator.Builder;
 import com.android.systemui.qs.TouchAnimator.Listener;
 import com.android.systemui.qs.dagger.QSScope;
-import com.android.systemui.statusbar.CrossFadeHelper;
 import com.android.systemui.tuner.TunerService;
 import com.android.systemui.tuner.TunerService.Tunable;
 
@@ -50,9 +49,7 @@
     private static final String MOVE_FULL_ROWS = "sysui_qs_move_whole_rows";
 
     public static final float EXPANDED_TILE_DELAY = .86f;
-    private static final long QQS_FADE_IN_DURATION = 200L;
-    // Fade out faster than fade in to finish before QQS hides.
-    private static final long QQS_FADE_OUT_DURATION = 50L;
+
 
     private final ArrayList<View> mAllViews = new ArrayList<>();
     /**
@@ -80,7 +77,6 @@
     private TouchAnimator mBrightnessAnimator;
     private boolean mNeedsAnimatorUpdate = false;
 
-    private boolean mToShowing;
     private boolean mOnKeyguard;
 
     private boolean mAllowFancy;
@@ -137,18 +133,6 @@
         }
     }
 
-    void startAlphaAnimation(boolean show) {
-        if (show == mToShowing) {
-            return;
-        }
-        mToShowing = show;
-        if (show) {
-            CrossFadeHelper.fadeIn(mQs.getView(), QQS_FADE_IN_DURATION, 0 /* delay */);
-        } else {
-            CrossFadeHelper.fadeOut(mQs.getView(), QQS_FADE_OUT_DURATION, 0 /* delay */,
-                    null /* endRunnable */);
-        }
-    }
 
     /**
      * Sets whether or not the keyguard is currently being shown with a collapsed header.
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSContainerImpl.java b/packages/SystemUI/src/com/android/systemui/qs/QSContainerImpl.java
index 562ac64..16e9590 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSContainerImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSContainerImpl.java
@@ -91,11 +91,6 @@
         setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_NO);
     }
 
-    @Override
-    public boolean hasOverlappingRendering() {
-        return false;
-    }
-
     void onMediaVisibilityChanged(boolean qsVisible) {
         mAnimateBottomOnNextLayout = qsVisible;
     }
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSFragment.java b/packages/SystemUI/src/com/android/systemui/qs/QSFragment.java
index 9a0827d..dbdd04a 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSFragment.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSFragment.java
@@ -186,7 +186,7 @@
                 (v, left, top, right, bottom, oldLeft, oldTop, oldRight, oldBottom) -> {
                     boolean sizeChanged = (oldTop - oldBottom) != (top - bottom);
                     if (sizeChanged) {
-                        setQsExpansion(mLastQSExpansion, mLastHeaderTranslation);
+                        setQsExpansion(mLastQSExpansion, mLastQSExpansion);
                     }
                 });
     }
@@ -391,9 +391,6 @@
     @Override
     public void setQsExpansion(float expansion, float headerTranslation) {
         if (DEBUG) Log.d(TAG, "setQSExpansion " + expansion + " " + headerTranslation);
-        if (mQSAnimator != null) {
-            mQSAnimator.startAlphaAnimation(headerTranslation == 0 /* show */);
-        }
         mContainer.setExpansion(expansion);
         final float translationScaleY = expansion - 1;
         boolean onKeyguardAndExpanded = isKeyguardShowing() && !mShowCollapsedOnKeyguard;