Using SCREEN_ORIENTATION_LOCKED for locking to current orientation.

Bug: 17298128
Change-Id: If64b6957a594bcc48f6454689d11cd63d31b9239
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 61915b7..4e30901 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -4779,8 +4779,12 @@
 
     public void lockScreenOrientation() {
         if (Utilities.isRotationEnabled(this)) {
-            setRequestedOrientation(mapConfigurationOriActivityInfoOri(getResources()
-                    .getConfiguration().orientation));
+            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR2) {
+                setRequestedOrientation(mapConfigurationOriActivityInfoOri(getResources()
+                        .getConfiguration().orientation));
+            } else {
+                setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LOCKED);
+            }
         }
     }
     public void unlockScreenOrientation(boolean immediate) {