RN: Rename `{ => NativeModule}MethodTypeShape` in Codegen

Summary:
Straightforward rename to clarify the purpose of this type.

Changelog: [Internal]

Reviewed By: TheSavior

Differential Revision: D21160791

fbshipit-source-id: 422d09243edda0660815eb2f0ce51f7e56134983

packages/react-native-codegen/src/CodegenSchema.js

@@ -256,13 +256,13 @@ export type FunctionTypeAnnotation = $ReadOnly<{|
   optional: boolean,
 |}>;
 
-export type MethodTypeShape = $ReadOnly<{|
+export type NativeModuleMethodTypeShape = $ReadOnly<{|
   name: string,
   typeAnnotation: FunctionTypeAnnotation,
 |}>;
 
 export type NativeModuleShape = $ReadOnly<{|
-  properties: $ReadOnlyArray<MethodTypeShape>,
+  properties: $ReadOnlyArray<NativeModuleMethodTypeShape>,
 |}>;
 
 export type EventTypeShape = $ReadOnly<{|

packages/react-native-codegen/src/parsers/flow/modules/methods.js

@@ -11,7 +11,7 @@
 'use strict';
 
 import type {
-  MethodTypeShape,
+  NativeModuleMethodTypeShape,
   FunctionTypeAnnotationParam,
   FunctionTypeAnnotationReturn,
   FunctionTypeAnnotationParamTypeAnnotation,
@@ -401,7 +401,7 @@ function getReturnTypeAnnotation(
 function buildMethodSchema(
   property: MethodAST,
   types: TypeMap,
-): MethodTypeShape {
+): NativeModuleMethodTypeShape {
   const name: string = property.key.name;
   const value = getValueFromTypes(property.value, types);
   if (value.type !== 'FunctionTypeAnnotation') {
@@ -432,7 +432,7 @@ function buildMethodSchema(
 function getMethods(
   typeDefinition: $ReadOnlyArray<MethodAST>,
   types: TypeMap,
-): $ReadOnlyArray<MethodTypeShape> {
+): $ReadOnlyArray<NativeModuleMethodTypeShape> {
   return typeDefinition
     .filter(property => property.type === 'ObjectTypeProperty')
     .map(property => buildMethodSchema(property, types))

packages/react-native-codegen/src/parsers/flow/modules/schema.js

@@ -10,10 +10,13 @@
 
 'use strict';
 
-import type {SchemaType, MethodTypeShape} from '../../../CodegenSchema.js';
+import type {
+  SchemaType,
+  NativeModuleMethodTypeShape,
+} from '../../../CodegenSchema.js';
 
 export type NativeModuleSchemaBuilderConfig = $ReadOnly<{|
-  properties: $ReadOnlyArray<MethodTypeShape>,
+  properties: $ReadOnlyArray<NativeModuleMethodTypeShape>,
 |}>;
 
 function buildModuleSchema(