Fix #2474554 (After meeting policy req's, no sync)

* We weren't retrying the initial account sync after policies are
  successfully enabled.  This results in failure to sync, as we
  go right into a ping loop.
* Retry account sync after provisioning is first successful

Bug: 2474554
Change-Id: I20165a5941626b690710f82088d8d861679084b2

src/com/android/exchange/EasSyncService.java

@@ -1249,6 +1249,9 @@ public class EasSyncService extends AbstractSyncService {
                         // Set the appropriate failure status
                         mExitStatus = EXIT_SECURITY_FAILURE;
                         return;
+                    } else {
+                        // If we succeeded, try again...
+                        continue;
                     }
                 } else if (isAuthError(code)) {
                     mExitStatus = EXIT_LOGIN_FAILURE;