Do not use hidden UserManager hidden APIs

- isUserRunning(userId): replaced with isUserRunning(UserHandle.of(userId))
- getUsers(true): replaced with getSerialNumbersOfUsers(true) and
  getUserForSerialNumber(setialNumber)

Bug: 137202333
Test: make
Change-Id: I34103353d4e703bff2fc09925f91d3f2dd93150d
diff --git a/src/com/android/phone/PhoneInterfaceManager.java b/src/com/android/phone/PhoneInterfaceManager.java
index 4a41c3d..707731b 100755
--- a/src/com/android/phone/PhoneInterfaceManager.java
+++ b/src/com/android/phone/PhoneInterfaceManager.java
@@ -6895,7 +6895,7 @@
     }
 
     private void ensureUserRunning(int userId) {
-        if (!mUserManager.isUserRunning(userId)) {
+        if (!mUserManager.isUserRunning(UserHandle.of(userId))) {
             throw new IllegalStateException("User " + userId + " does not exist or not running");
         }
     }