Back up / restore default app and intent filter verification state

For apps not present on device, the state inherited from the ancestral
device is applied when the app is ultimately installed.

Bug 20144515

Change-Id: Ie05b4f1751357fc62f14e259da174b8cf465e913
diff --git a/services/core/java/com/android/server/pm/IntentFilterVerificationState.java b/services/core/java/com/android/server/pm/IntentFilterVerificationState.java
index c09d6ae..c6e7911 100644
--- a/services/core/java/com/android/server/pm/IntentFilterVerificationState.java
+++ b/services/core/java/com/android/server/pm/IntentFilterVerificationState.java
@@ -19,7 +19,7 @@
 import android.content.pm.PackageManager;
 import android.content.pm.PackageParser;
 import android.util.ArraySet;
-import android.util.Log;
+import android.util.Slog;
 
 import java.util.ArrayList;
 
@@ -113,7 +113,7 @@
             setState(state);
             return true;
         }
-        Log.d(TAG, "Cannot set verifier response with callerUid:" + callerUid + " and code:" +
+        Slog.d(TAG, "Cannot set verifier response with callerUid:" + callerUid + " and code:" +
                 code + " as required verifierUid is:" + mRequiredVerifierUid);
         return false;
     }