Rewire DDC to use the analyzer task model

test/codegen/expect/async_helper.txt

Index: test/codegen/expect/async_helper.txt
diff --git a/test/codegen/expect/async_helper.txt b/test/codegen/expect/async_helper.txt
index c403b41d4d4b8b0ecbc940c676e7f1786549d574..1bbd55bfcbfb7cc93776c4e52818c18f665b6fcc 100644
--- a/test/codegen/expect/async_helper.txt
+++ b/test/codegen/expect/async_helper.txt
@@ -1,2 +1,18 @@
 // Messages from compiling async_helper.dart
+warning: [MissingTypeError] type analysis didn't compute the type of: _buildException SimpleIdentifier (test/codegen/async_helper.dart, line 52, col 11)
+warning: [MissingTypeError] type analysis didn't compute the type of: _buildException SimpleIdentifier (test/codegen/async_helper.dart, line 57, col 13)
+warning: [MissingTypeError] type analysis didn't compute the type of: print SimpleIdentifier (test/codegen/async_helper.dart, line 61, col 5)
+warning: [MissingTypeError] type analysis didn't compute the type of: _buildException SimpleIdentifier (test/codegen/async_helper.dart, line 72, col 13)
+warning: [MissingTypeError] type analysis didn't compute the type of: _buildException SimpleIdentifier (test/codegen/async_helper.dart, line 74, col 13)
+warning: [MissingTypeError] type analysis didn't compute the type of: print SimpleIdentifier (test/codegen/async_helper.dart, line 83, col 5)
+warning: [MissingTypeError] type analysis didn't compute the type of: asyncEnd SimpleIdentifier (test/codegen/async_helper.dart, line 99, col 25)
+warning: [MissingTypeError] type analysis didn't compute the type of: asyncStart SimpleIdentifier (test/codegen/async_helper.dart, line 107, col 3)
+info: [DynamicInvoke] _buildException('asyncStart() was called even though we are done ' 'with testing.') requires dynamic invoke (test/codegen/async_helper.dart, line 52, col 11)
+info: [DynamicInvoke] _buildException('asyncStart() was called before asyncTestInitialize()') requires dynamic invoke (test/codegen/async_helper.dart, line 57, col 13)
+info: [DynamicInvoke] print('unittest-suite-wait-for-done') requires dynamic invoke (test/codegen/async_helper.dart, line 61, col 5)
+info: [DynamicInvoke] _buildException('asyncEnd() was called before asyncStart().') requires dynamic invoke (test/codegen/async_helper.dart, line 72, col 13)
+info: [DynamicInvoke] _buildException('asyncEnd() was called more often than ' 'asyncStart().') requires dynamic invoke (test/codegen/async_helper.dart, line 74, col 13)
+info: [DynamicInvoke] print('unittest-suite-success') requires dynamic invoke (test/codegen/async_helper.dart, line 83, col 5)
+info: [DynamicInvoke] asyncEnd() requires dynamic invoke (test/codegen/async_helper.dart, line 99, col 25)
+info: [DynamicInvoke] asyncStart() requires dynamic invoke (test/codegen/async_helper.dart, line 107, col 3)
 info: [DynamicInvoke] f().then(asyncSuccess) requires dynamic invoke (test/codegen/async_helper.dart, line 108, col 3)