Remove support for stuck threads The experimental support for stuck threads requires access to the java.lang.management package which is not supported on Android. This change re-lands https://r.android.com/1601635 Bug: 129054170 Test: m checkbuild Change-Id: I4b37c2d09b5c68afde438c343b41fcdc788c578e (cherry picked from commit 4156f43b51c6f2d42df6e45535e1967aa46514d3)