Fix build break due to automerge of 7d2198b5

Bug: 30100884

Change-Id: I8fa379a74b5d9467b5b9498bd18de2a043963c6f
(cherry picked from commit baae57ab24db7d3b0bf7f84c05954173f1ee15fe)
diff --git a/services/core/java/com/android/server/connectivity/PacManager.java b/services/core/java/com/android/server/connectivity/PacManager.java
index 758646f..58c76ec 100644
--- a/services/core/java/com/android/server/connectivity/PacManager.java
+++ b/services/core/java/com/android/server/connectivity/PacManager.java
@@ -293,7 +293,7 @@
         intent.setClassName(PAC_PACKAGE, PAC_SERVICE);
         if ((mProxyConnection != null) && (mConnection != null)) {
             // Already bound no need to bind again, just download the new file.
-            IoThread.getHandler().post(mPacDownloader);
+            mNetThreadHandler.post(mPacDownloader);
             return;
         }
         mConnection = new ServiceConnection() {