Remove obsolete optimization

Change-Id: I2d43c009c62a7f4a4a2e0a6303bdfa692c4b8c8c
diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java
index 5f8c75a..0dc58a2 100644
--- a/core/java/android/view/View.java
+++ b/core/java/android/view/View.java
@@ -10128,8 +10128,7 @@
     @ViewDebug.ExportedProperty(category = "drawing")
     public boolean isOpaque() {
         return (mPrivateFlags & OPAQUE_MASK) == OPAQUE_MASK &&
-                ((mTransformationInfo != null ? mTransformationInfo.mAlpha : 1)
-                        >= 1.0f - ViewConfiguration.ALPHA_THRESHOLD);
+                ((mTransformationInfo != null ? mTransformationInfo.mAlpha : 1.0f) >= 1.0f);
     }
 
     /**