[test] Mark package:vm_service tests as Slow.

Change-Id: I51a7e29e25e409965e1bb581f8edd8ef39345a87
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/437020
Reviewed-by: Ben Konyi <[email protected]>
Commit-Queue: Ryan Macnak <[email protected]>

Author: rmacnak-google

pkg/pkg.status

@@ -66,9 +66,7 @@ vm/test/kernel_front_end_test: Slow, Pass
 vm/test/transformations/ffi_test: Slow, Pass # https://github.com/dart-lang/sdk/issues/54950
 vm/test/transformations/type_flow/transformer_test: Slow, Pass
 vm/testcases/*: SkipByDesign # These are not tests but input for tests.
-vm_service/test/cpu_samples_stream_test: Slow, Pass # Requires CPU sample buffer to fill.
-vm_service/test/get_cpu_samples_rpc_test: Slow, Pass # Does some computation to ensure CPU samples are collected.
-vm_service/test/get_perfetto_cpu_samples_rpc_test: Slow, Pass # Does some computation to ensure CPU samples are collected.
+vm_service/*: Slow, Pass
 vm_service/test/valid_source_locations_test: ExtraSlow, Pass # Iterates through all libraries and checks for valid source locations.
 vm_snapshot_analysis/test/instruction_sizes_test: Pass, Slow # https://github.com/dart-lang/sdk/issues/60067
 wasm/*: SkipByDesign # These can't be run without running wasm:setup first.
@@ -350,7 +348,6 @@ front_end/tool/perf_test: Slow, Pass
 dartdev/test/commands/info_windows_test: SkipByDesign
 
 [ $runtime == vm && $checked ]
-analysis_server/test/integration/edit/sort_members_test: Slow, Pass
 analysis_server/test/socket_server_test: Skip # Pass, Slow
 
 [ $arch != x64 || $mode != release || $runtime != vm || $system != windows ]