Fix attachment loading with "accept certificates" checked

* Fixes #2191778 (P1/S1)
* Attachment retrieval wasn't using newer code to create its
  HttpClient.
* Fix is simple, extremely safe

Change-Id: I65be27decae8719bbad8ac7dce1c1164de4371a5
diff --git a/src/com/android/exchange/EasSyncService.java b/src/com/android/exchange/EasSyncService.java
index 14e9da5..77f3260 100644
--- a/src/com/android/exchange/EasSyncService.java
+++ b/src/com/android/exchange/EasSyncService.java
@@ -289,7 +289,7 @@
         Attachment att = req.att;
         Message msg = Message.restoreMessageWithId(mContext, att.mMessageKey);
         doProgressCallback(msg.mId, att.mId, 0);
-        DefaultHttpClient client = new DefaultHttpClient();
+        HttpClient client = getHttpClient(COMMAND_TIMEOUT);
         String us = makeUriString("GetAttachment", "&AttachmentName=" + att.mLocation);
         HttpPost method = new HttpPost(URI.create(us));
         method.setHeader("Authorization", mAuthString);