add script to show Linux libc and vbox version counts: ops/host_stats.php #4999

Job	Run time
libs-build	5m 51s
apps-build	10m 9s
libs-cmake-build	7m 25s
client-armv6-build	2m 50s
client-arm-build	5m 1s
client-arm64-build	3m 19s
client-x86-build	4m 10s
client-x86_64-build	4m 18s
manager-build (assembleRelease)	4m 28s
manager-build (assembleXiaomi_release)	4m 36s
manager-build (assembleArmv6_release)	4m 51s
manager-build (jacocoTestReportDebug)	6m 36s
	1h 3m 34s

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