Force use ShadowOverlayContainer for overlay

Accidentally commited debugging code.
Need force to use ShadowOverlayContainer.

Change-Id: I7e4a2e2dd6c03c0d2b52ec8f5420cfd627e741a8
diff --git a/v17/leanback/src/android/support/v17/leanback/widget/ShadowOverlayHelper.java b/v17/leanback/src/android/support/v17/leanback/widget/ShadowOverlayHelper.java
index 2feb5c5..4077e42 100644
--- a/v17/leanback/src/android/support/v17/leanback/widget/ShadowOverlayHelper.java
+++ b/v17/leanback/src/android/support/v17/leanback/widget/ShadowOverlayHelper.java
@@ -103,7 +103,7 @@
 
         // Force to use wrapper to avoid rebuildOutline() on animating foreground drawable.
         // See b/22724385
-        final boolean forceWrapperForOverlay = false;
+        final boolean forceWrapperForOverlay = true;
 
         // figure out shadow type and if we need use wrapper:
         if (mNeedsShadow) {