Require all Android View Attributes are defined in flow prop types

Summary: This caught a few flow types that weren't defined for attributes that Android exposes. Ensuring that these stay in sync will be necessary for codegen in the future.

Reviewed By: sahrens

Differential Revision: D9444165

fbshipit-source-id: 8ee00af7b732c35d7f6befcdf79f77b73eac6a1b

Libraries/Renderer/shims/ReactNativeTypes.js

@@ -51,7 +51,10 @@ type AttributeType =
       process: ?(arg1: any) => any,
     |}>;
 
-export type ReactNativeBaseComponentViewConfig = $ReadOnly<{|
+export type ReactNativeBaseComponentViewConfig<
+  TProps = string,
+  TStyleProps = string,
+> = $ReadOnly<{|
   baseModuleName?: string,
   bubblingEventTypes?: $ReadOnly<{
     [eventName: string]: $ReadOnly<{|
@@ -74,14 +77,14 @@ export type ReactNativeBaseComponentViewConfig = $ReadOnly<{|
   }>,
   uiViewClassName: string,
   validAttributes: $ReadOnly<{
-    [propName: string]: AttributeType,
+    [propName: TProps]: AttributeType,
     style: $ReadOnly<{
-      [propName: string]: AttributeType,
+      [propName: TStyleProps]: AttributeType,
     }>,
   }>,
 |}>;
 
-export type ViewConfigGetter = () => ReactNativeBaseComponentViewConfig;
+export type ViewConfigGetter = () => ReactNativeBaseComponentViewConfig<>;
 
 /**
  * Class only exists for its Flow type.

Libraries/Renderer/shims/ReactNativeViewConfigRegistry.js

@@ -30,7 +30,7 @@ const viewConfigCallbacks = new Map();
 const viewConfigs = new Map();
 
 function processEventTypes(
-  viewConfig: ReactNativeBaseComponentViewConfig,
+  viewConfig: ReactNativeBaseComponentViewConfig<>,
 ): void {
   const {bubblingEventTypes, directEventTypes} = viewConfig;
 
@@ -86,7 +86,7 @@ exports.register = function(name: string, callback: ViewConfigGetter): string {
  * If this is the first time the view has been used,
  * This configuration will be lazy-loaded from UIManager.
  */
-exports.get = function(name: string): ReactNativeBaseComponentViewConfig {
+exports.get = function(name: string): ReactNativeBaseComponentViewConfig<> {
   let viewConfig;
   if (!viewConfigs.has(name)) {
     const callback = viewConfigCallbacks.get(name);