[timelines] Fix for stuck loop

Triggered by zink which can have multiple threads invoking
vkWaitSemaphores on the same timeline.

Upstream this code has been replaced by a driver common sync
and submit framework which appears to have a different
implementation.

Bug:92143

Change-Id: I44e26567c63bf6d0a18835df8b5bb14638c5b727
Reviewed-on: https://fuchsia-review.googlesource.com/c/third_party/mesa/+/642601
Reviewed-by: John Bauman <jbauman@google.com>
1 file changed