KeyguardManager: Fix user resolution of isDeviceSecure/Locked

Fixes isDeviceSecure and isDeviceLocked APIs to use
the user id of the app that executes the code rather
than that of any incoming binder call.

Change-Id: Ib7772b60c35a3ebf96830f9b013c539021e1f063
Fixes: 34592592
Test: manual

core/java/android/app/KeyguardManager.java

@@ -322,7 +322,7 @@ public class KeyguardManager {
      * password.
      */
     public boolean isDeviceLocked() {
-        return isDeviceLocked(UserHandle.getCallingUserId());
+        return isDeviceLocked(UserHandle.myUserId());
     }
 
     /**
@@ -347,7 +347,7 @@ public class KeyguardManager {
      * @return true if a PIN, pattern or password was set.
      */
     public boolean isDeviceSecure() {
-        return isDeviceSecure(UserHandle.getCallingUserId());
+        return isDeviceSecure(UserHandle.myUserId());
     }
 
     /**