android: sysui: Support to keep user rotation pref

Signed-off-by: hmz007 <hmz007@gmail.com>

frameworks/base/packages/SystemUI/src/com/android/systemui/navigationbar/NavigationBar.java

@@ -829,7 +829,8 @@ public class NavigationBar extends ViewController<NavigationBarView> implements
 
             // Reset user rotation pref to match that of the WindowManager if starting in locked
             // mode. This will automatically happen when switching from auto-rotate to locked mode.
-            if (display != null && rotationButtonController.isRotationLocked()) {
+            final boolean resetRotation = !SystemProperties.getBoolean("ro.vendor.user_rotation", false);
+            if (resetRotation && display != null && rotationButtonController.isRotationLocked()) {
                 rotationButtonController.setRotationLockedAtAngle(display.getRotation());
             }
         } else {