[wasm] Rename wasm::LocalType to wasm::ValueType and kAst* to kWasm*

test/mjsunit/wasm/compiled-module-serialization.js

Index: test/mjsunit/wasm/compiled-module-serialization.js
diff --git a/test/mjsunit/wasm/compiled-module-serialization.js b/test/mjsunit/wasm/compiled-module-serialization.js
index 2ae198949f9eb635c4ce44ae508aaefe2efa0723..471efac5d9cf9cce551b175bded6cc525be92465 100644
--- a/test/mjsunit/wasm/compiled-module-serialization.js
+++ b/test/mjsunit/wasm/compiled-module-serialization.js
@@ -10,7 +10,7 @@ load("test/mjsunit/wasm/wasm-module-builder.js");
 (function SerializeAndDeserializeModule() {
   var builder = new WasmModuleBuilder();
   builder.addMemory(1,1, true);
-  var kSig_v_i = makeSig([kAstI32], []);
+  var kSig_v_i = makeSig([kWasmI32], []);
   var signature = builder.addType(kSig_v_i);
   builder.addImport("", "some_value", kSig_i_v);
   builder.addImport("", "writer", signature);