Make WindowContainer surfaces container layers by default.

This reverts commit f6ef18334b4b90f025fa0ece969c2ce2f92221b1.

Reason for revert: ag/6227549 fixes underlying issue

Change-Id: Id1456529ef0009f8e28575ef591d9559c43db4a5
Fixes: 122561221
Test: go/wm-smoke
diff --git a/core/java/android/view/SurfaceView.java b/core/java/android/view/SurfaceView.java
index 9f0800f..fe9aa23 100644
--- a/core/java/android/view/SurfaceView.java
+++ b/core/java/android/view/SurfaceView.java
@@ -33,7 +33,6 @@
 import android.graphics.RenderNode;
 import android.os.Build;
 import android.os.Handler;
-import android.os.IBinder;
 import android.os.Looper;
 import android.os.SystemClock;
 import android.util.AttributeSet;
@@ -588,7 +587,7 @@
                     mBackgroundControl = new SurfaceControl.Builder(mSurfaceSession)
                         .setName("Background for -" + name)
                         .setOpaque(true)
-                        .setColorLayer(true)
+                        .setColorLayer()
                         .setParent(mSurfaceControl)
                         .build();