Rewire DDC to use the analyzer task model

test/codegen/expect/constructors.txt

Index: test/codegen/expect/constructors.txt
diff --git a/test/codegen/expect/constructors.txt b/test/codegen/expect/constructors.txt
index 2db153990600ef43aa904d46201dc90389ed3c11..155d033ea489dbefcc8fa84704940ecfef5787c6 100644
--- a/test/codegen/expect/constructors.txt
+++ b/test/codegen/expect/constructors.txt
@@ -1,4 +1,10 @@
 // Messages from compiling constructors.dart
 warning: [DownCastComposite] y (dynamic) will need runtime check to cast to type T (test/codegen/constructors.dart, line 90, col 14)
+warning: [MissingTypeError] type analysis didn't compute the type of: foo SimpleIdentifier (test/codegen/constructors.dart, line 95, col 13)
+warning: [MissingTypeError] type analysis didn't compute the type of: bar SimpleIdentifier (test/codegen/constructors.dart, line 106, col 14)
+warning: [MissingTypeError] type analysis didn't compute the type of: bar2 SimpleIdentifier (test/codegen/constructors.dart, line 106, col 24)
+info: [DynamicInvoke] foo() requires dynamic invoke (test/codegen/constructors.dart, line 95, col 13)
 info: [DynamicCast] q.x (dynamic) will need runtime check to cast to type String (test/codegen/constructors.dart, line 96, col 12)
 info: [DynamicCast] q.x (dynamic) will need runtime check to cast to type String (test/codegen/constructors.dart, line 101, col 12)
+info: [DynamicInvoke] q.bar() requires dynamic invoke (test/codegen/constructors.dart, line 106, col 12)
+info: [DynamicInvoke] q.bar2() requires dynamic invoke (test/codegen/constructors.dart, line 106, col 22)