[automerger skipped] Merge "[RESTRICT AUTOMERGE] libvulkan: drop the advertised swapchain spec version to 68" am: ef211707c6 -s ours
am: 6213367bbf -s ours
am skip reason: subject contains skip directive

Change-Id: I0cc258fd9435f44718b6b88f9b5657535f4f5f41