Update grouped task view thumbnail splash interpolation to match regular task.

Follow-up to ag/19730966

Fix: 244433374
Test: follow up after b/238405972
Change-Id: I5c3c05dd51234b568e8f99c075e0f3384bca4741
diff --git a/quickstep/src/com/android/quickstep/views/GroupedTaskView.java b/quickstep/src/com/android/quickstep/views/GroupedTaskView.java
index f718be8..a870f9c 100644
--- a/quickstep/src/com/android/quickstep/views/GroupedTaskView.java
+++ b/quickstep/src/com/android/quickstep/views/GroupedTaskView.java
@@ -1,6 +1,5 @@
 package com.android.quickstep.views;
 
-import static com.android.launcher3.anim.Interpolators.LINEAR;
 import static com.android.launcher3.util.SplitConfigurationOptions.DEFAULT_SPLIT_RATIO;
 import static com.android.launcher3.util.SplitConfigurationOptions.STAGE_POSITION_BOTTOM_OR_RIGHT;
 import static com.android.launcher3.util.SplitConfigurationOptions.STAGE_POSITION_TOP_OR_LEFT;
@@ -318,7 +317,6 @@
     @Override
     protected void applyThumbnailSplashAlpha() {
         super.applyThumbnailSplashAlpha();
-        mSnapshotView2.setSplashAlpha(
-                Utilities.mapToRange(mTaskThumbnailSplashAlpha, 0f, 1f, 1f, 0f, LINEAR));
+        mSnapshotView2.setSplashAlpha(mTaskThumbnailSplashAlpha);
     }
 }
diff --git a/quickstep/src/com/android/quickstep/views/TaskView.java b/quickstep/src/com/android/quickstep/views/TaskView.java
index 1e78377..34c2021 100644
--- a/quickstep/src/com/android/quickstep/views/TaskView.java
+++ b/quickstep/src/com/android/quickstep/views/TaskView.java
@@ -1064,7 +1064,7 @@
     }
 
     protected void applyThumbnailSplashAlpha() {
-        mSnapshotView.setSplashAlpha(Utilities.boundToRange(mTaskThumbnailSplashAlpha, 0f, 1f));
+        mSnapshotView.setSplashAlpha(mTaskThumbnailSplashAlpha);
     }
 
     private void setSplitSelectTranslationX(float x) {