vkjson: Use Vulkan API version 1.1 on VkJsonGetInstance

Bug: b/149272638

Class attempts to resolve entrypoints that are available only in
Vulkan API 1.1 such as GetPhysicalDeviceExternalSemaphoreProperties.

Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
(cherry picked from commit a8714233)

Change-Id: I09ec0a6f87513cbd512a4c2248f220a602cc01c7
(cherry picked from commit 74853be34336327907160718a4d2f09dfbd2dcc9)