Add API to check priority queue node status #1887

Job	Run time
clang-sanitizers (,thread)	3m 9s
downstream	31m 29s
linux-compat (manylinux1-x64)	1m 57s
clang-sanitizers (,address,undefined)	2m 15s
linux-compiler-compat (clang-3)	2m 30s
linux-compat (manylinux1-x86)	2m 36s
linux-compiler-compat (clang-6)	4m 16s
linux-compat (manylinux2014-x64)	2m 32s
linux-no-cpu-extensions	1m 55s
linux-compiler-compat (clang-8)	4m 51s
linux-shared-libs	1m 57s
linux-compiler-compat (clang-9)	4m 31s
linux-compiler-compat (clang-10)	2m 29s
linux-compiler-compat (clang-11)	2m 10s
linux-compat (manylinux2014-x86)	1m 48s
linux-compiler-compat (gcc-4.8)	1m 25s
windows	4m 37s
linux-compiler-compat (gcc-5)	2m 4s
linux-compat (raspbian-bullseye)	12m 26s
linux-compiler-compat (gcc-6)	2m 21s
linux-compat (fedora-34-x64)	1m 46s
linux-compiler-compat (gcc-7)	1m 54s
windows-vc15 (x86)	2m 44s
linux-compat (opensuse-leap)	2m 5s
windows-vc15 (x64)	3m 54s
linux-compiler-compat (gcc-8)	2m 41s
windows-vc16 (x86)	3m 9s
linux-compat (rhel8-x64)	1m 43s
windows-vc16 (x64)	4m 5s
linux-compiler-compat (gcc-11)	2m 46s
linux-compat (al2-x64)	1m 29s
windows-app-verifier	59m 24s
windows-no-cpu-extensions	5m 31s
windows-shared-libs	3m 27s
windows-vc14 (x86)	2m 58s
windows-vc14 (x64)	2m 27s
Cross Compile linux-armv6	2m 13s
Cross Compile linux-armv7	2m 42s
linux-debug	1m 45s
Cross Compile linux-arm64	3m 5s
openbsd	16m 28s
Cross Compile android-armv7	3m 34s
osx	3m 12s
osx-debug	3m 31s
osx-no-cpu-extensions	3m 20s
windows-debug	4m 29s
	3h 59m 40s

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