Add warmup estimator when importing tools.

Author: boris-spas

graal-js/mx.graal-js/mx_graal_js.py

@@ -153,7 +153,7 @@ def _js_cmd_line(args, main_class, default_cp=None, append_default_args=True):
 
 def graaljs_cmd_line(args, append_default_args=True):
     default_cp = mx.classpath(['GRAALJS_LAUNCHER', 'GRAALJS']
-            + (['tools:CHROMEINSPECTOR', 'tools:TRUFFLE_PROFILER', 'tools:AGENTSCRIPT'] if mx.suite('tools', fatalIfMissing=False) is not None else []))
+            + (['tools:CHROMEINSPECTOR', 'tools:TRUFFLE_PROFILER', 'tools:AGENTSCRIPT', 'tools:TRUFFLE_WARMUP_ESTIMATOR'] if mx.suite('tools', fatalIfMissing=False) is not None else []))
     return _js_cmd_line(args, main_class=mx.distribution('GRAALJS_LAUNCHER').mainClass, default_cp=[default_cp], append_default_args=append_default_args)
 
 def js(args, nonZeroIsFatal=True, out=None, err=None, cwd=None):