Fix 5608959: Make keyguard follow user setting for orientation

This fixes a bug where keyguard would always change orientation
when enabled from config_enableLockScreenRotation.  Now it follows
the user preference.

Change-Id: I0437d11e1984d22cdadddc57deb47d800fb86aa1

Author: Jim Miller

policy/src/com/android/internal/policy/impl/KeyguardViewManager.java

@@ -147,7 +147,7 @@ public synchronized void show() {
 
         if (enableScreenRotation) {
             if (DEBUG) Log.d(TAG, "Rotation sensor for lock screen On!");
-            mWindowLayoutParams.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_SENSOR;
+            mWindowLayoutParams.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_USER;
         } else {
             if (DEBUG) Log.d(TAG, "Rotation sensor for lock screen Off!");
             mWindowLayoutParams.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_NOSENSOR;