Update package names to work with the proto3 compiler

Bug: b/28974522
Change-Id: I5f3adf4946ee4ba1e09e4f40afe83c151405972a
diff --git a/services/core/java/com/android/server/am/AppNotRespondingDialog.java b/services/core/java/com/android/server/am/AppNotRespondingDialog.java
index c6befd7..9e29725 100644
--- a/services/core/java/com/android/server/am/AppNotRespondingDialog.java
+++ b/services/core/java/com/android/server/am/AppNotRespondingDialog.java
@@ -17,7 +17,7 @@
 package com.android.server.am;
 
 import com.android.internal.logging.MetricsLogger;
-import com.android.internal.logging.MetricsProto;
+import com.android.internal.logging.nano.MetricsProto;
 
 import android.content.ActivityNotFoundException;
 import android.content.Context;