email: catch the correct exception while closing the buffers

BinaryTempFileBody#getBody()#getInputStream() returns a
MessagingException not an IOException. This causes
"com.android.emailcommon.mail.MessagingException: Unable to open body"
exception messages and attachment messages not flagged as loaded.

Change-Id: Ia8f25dd0a212ce52e3dd202c523c5db4a009604f
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>

provider_src/com/android/email/provider/Utilities.java

@@ -178,7 +178,7 @@ public class Utilities {
                         if (is != null) {
                             is.close();
                         }
-                    } catch (IOException io) {
+                    } catch (IOException | MessagingException io) {
                         // Ignore
                     }
                 }