Update dart2js co19 status for 1_Evaluation_of_Implicit_Variable_Getters_A01_t02.

tests/co19/co19-dart2js.status

Index: tests/co19/co19-dart2js.status
===================================================================
--- tests/co19/co19-dart2js.status	(revision 29660)
+++ tests/co19/co19-dart2js.status	(working copy)
@@ -22,7 +22,6 @@
 Language/07_Classes/07_Classes_A13_t09: Fail # Missing CT error on member with same name a type parameter
 Language/03_Overview/1_Scoping_A02_t05: CompileTimeError # TODO(ahe): Please triage this failure.
 Language/03_Overview/1_Scoping_A02_t06: CompileTimeError # TODO(ahe): Please triage this failure.
-Language/05_Variables/1_Evaluation_of_Implicit_Variable_Getters_A01_t02: fail # co19-roll r576: Please triage this failure
 LibTest/core/double/INFINITY_A01_t04: RuntimeError # TODO(ahe): Please triage this failure.
 LibTest/core/double/NEGATIVE_INFINITY_A01_t04: RuntimeError # TODO(ahe): Please triage this failure.
 LibTest/core/List/List_A03_t01: RuntimeError # TODO(kasperl): Please triage this failure.
@@ -165,6 +164,7 @@
 # can understand so he can file a bug later.
 #
 [ $compiler == dart2js ]
+Language/05_Variables/1_Evaluation_of_Implicit_Variable_Getters_A01_t02: fail # co19 issue 648
 Language/03_Overview/2_Privacy_A01_t09: RuntimeError, OK # co19 issue 198
 Language/03_Overview/2_Privacy_A01_t11: Pass, OK # co19 issue 316
 Language/06_Functions/4_External_Functions_A01_t01: CompileTimeError, OK # http://dartbug.com/5021