Dump Keyguard state in SystemUI and PhoneWindowManager

Bug: 23970549
Change-Id: Iec1e8ac507268086e0e2935847eda606ea1fb700
diff --git a/services/core/java/com/android/server/policy/PhoneWindowManager.java b/services/core/java/com/android/server/policy/PhoneWindowManager.java
index d7e3c54..bb0731a 100644
--- a/services/core/java/com/android/server/policy/PhoneWindowManager.java
+++ b/services/core/java/com/android/server/policy/PhoneWindowManager.java
@@ -7017,5 +7017,8 @@
         if (mBurnInProtectionHelper != null) {
             mBurnInProtectionHelper.dump(prefix, pw);
         }
+        if (mKeyguardDelegate != null) {
+            mKeyguardDelegate.dump(prefix, pw);
+        }
     }
 }