spirv-std functions to query builtins #1469

Job	Run time
Compiletest (macOS-latest)	10m 57s
cargo-deny	1m 1s
Test (ubuntu-latest)	12m 26s
Difftest (windows-latest)	22m 23s
Test (windows-latest)	20m 51s
Compiletest (ubuntu-latest)	8m 12s
Test (macOS-latest)	13m 24s
Difftest (macOS-latest)	20m 5s
Difftest (ubuntu-latest)	11m 37s
Android (ubuntu-latest, aarch64-linux-android)	8m 36s
Lint	5m 47s
Compiletest (windows-latest)	19m 25s
test_success	2s
	2h 34m 46s

Provide feedback