layers: Add Extension Checks for Layer Extensions #9301

Job	Run time
code-format	31s
check_vvl	1m 5s
Ubuntu Backcompat	7m 30s
androidOnLinux	2m 43s
android (arm64-v8a, ON, c++_shared)	6m 29s
linux (address sanitizer, debug, robinhood ON )	27m 18s
android (armeabi-v7a, OFF, c++_static)	1m 47s
windows (amd64)	9m 40s
linux (address sanitizer, release, robinhood ON )	11m 44s
windows (amd64_x86)	9m 35s
chromium (target_os="linux" target_cpu="x64")	7m 54s
linux (thread sanitizer, release, robinhood ON )	1h 17m 45s
chromium (target_os="android" target_cpu="arm64")	10m 50s
linux (address sanitizer, release, robinhood OFF )	11m 45s
mingw	2m 9s
iOS	2m 38s
androidUpload	0s
windowsUpload	0s
linux Upload	0s
	3h 11m 23s

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