Update almost all tests (except co19) to use the new try-catch syntax.

tests/language/bool_test.dart

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // Dart test program for testing basic boolean properties.
 // @static-clean
 
 class BoolTest {
   static void testEquality() {
     Expect.equals(true, true);
@@ skipping 98 matching lines @@
     Expect.equals(true, !false);
     Expect.equals(false, !true);
     Expect.equals(true, !isFalse);
     Expect.equals(false, !isTrue);
   }
 
   static void testLogicalOp() {
     testOr(a, b, onTypeError) {
       try {
         return a || b;
-      } catch (TypeError t) {
+      } on TypeError catch (t) {
         return onTypeError;
       }
     }
     testAnd(a, b, onTypeError) {
       try {
         return a && b;
-      } catch (TypeError t) {
+      } on TypeError catch (t) {
         return onTypeError;
       }
     }
 
     var isTrue = true;
     var isFalse = false;
     Expect.equals(true, testAnd(isTrue, isTrue, false));
     Expect.equals(false, testAnd(isTrue, 0, false));
     Expect.equals(false, testAnd(isTrue, 1, false));
     Expect.equals(false, testAnd(isTrue, "true", false));
@@ skipping 73 matching lines @@
     testEquality();
     testNegate(true, false);
     testToString();
     testLogicalOp();
   }
 }
 
 main() {
   BoolTest.testMain();
 }