layers: Warn if VkLayerSettingEXT has wrong type or duplicated #9759

Job	Run time
code-format	26s
check_vvl	1m 6s
chromium (target_os="linux" target_cpu="x64")	8m 19s
androidOnLinux	2m 46s
chromium (target_os="android" target_cpu="arm64")	10m 35s
android (arm64-v8a, ON, c++_shared)	8m 18s
linux (address sanitizer, debug, robinhood ON )	31m 23s
android (armeabi-v7a, OFF, c++_static)	1m 36s
Ubuntu Backcompat	8m 29s
linux (thread sanitizer, release, robinhood ON )	5m 23s
linux (address sanitizer, release, robinhood ON )	15m 30s
mingw	1m 46s
windows (amd64)	10m 24s
linux (address sanitizer, release, robinhood OFF )	14m 34s
windows (amd64_x86)	10m 23s
iOS	2m 59s
androidUpload	0s
windowsUpload	0s
linux Upload	0s
	2h 13m 57s

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