Include original exception to ease debugging

Pass the original OperationApplicationException exception
into the thrown exception in order to make the following
Feedback issue easier to debug. This is in case we are
unable to fix this bug by MR2.

Bug: 12996134
Change-Id: Ib26d473574f1c0788d80fef0ceb4ef4748ec11e1
diff --git a/src/com/android/contacts/ContactSaveService.java b/src/com/android/contacts/ContactSaveService.java
index ff76844..8688a47 100644
--- a/src/com/android/contacts/ContactSaveService.java
+++ b/src/com/android/contacts/ContactSaveService.java
@@ -435,7 +435,8 @@
                 sb.append(")");
 
                 if (first) {
-                    throw new IllegalStateException("Version consistency failed for a new contact");
+                    throw new IllegalStateException(
+                            "Version consistency failed for a new contact", e);
                 }
 
                 final RawContactDeltaList newState = RawContactDeltaList.fromQuery(