Add Jvm object monitor and remove rust_object_field from Object/Threa… #683

Job	Run time
rust_ci (windows-latest, beta)	3m 31s
rust_ci (ubuntu-latest, beta)	1m 36s
rust_ci (macos-latest, stable)	1m 14s
rust_ci (macos-latest, beta)	1m 35s
rust_ci (ubuntu-latest, stable)	1m 25s
rust_ci (windows-latest, stable)	4m 11s
	13m 32s

Provide feedback