Revert "staging: android: Clean up else statement from sync_fence_poll()"

This reverts commit 6a44b50f
("staging: android: Clean up else statement from sync_fence_poll()").

Change-Id: I893123f8977f0a09f97ad7ed1767c0828991fd96
Signed-off-by: Ingrid Gallardo <ingridg@codeaurora.org>