Test class prepare event from the debugger Checks that we properly receive CLASS_PREPARE event triggered by a command (ReferenceType.GetValues) processed by the debugger thread. Bug: 33032664 Test: art/tools/run-jdwp-tests.sh '--mode=host' '--variant=X64' (cherry picked from commit e8a964ca684f4b2d72e69b79c08f248b81e4baca) Change-Id: I4dbc354df1e6bb550d2826753fc0d7e88ded1418