Send valid and invalid rotation proposal changes to SysUI

SysUI needs a signal to remove active proposals if the proposal 
changes to an invalid one.

Test: manual, visual
diff --git a/services/core/java/com/android/server/statusbar/StatusBarManagerInternal.java b/services/core/java/com/android/server/statusbar/StatusBarManagerInternal.java
index 3792bc6..b792d0f 100644
--- a/services/core/java/com/android/server/statusbar/StatusBarManagerInternal.java
+++ b/services/core/java/com/android/server/statusbar/StatusBarManagerInternal.java
@@ -95,7 +95,7 @@
      *
      * @param rotation rotation suggestion
      */
-    void onProposedRotationChanged(int rotation);
+    void onProposedRotationChanged(int rotation, boolean isValid);
 
     public interface GlobalActionsListener {
         /**