Flow strictify xplat/js/react-native-github where possible (#41051)

Summary:
Pull Request resolved: #41051

Strictifies flow to flow strict-local in files where doing that doesn't cause new flow errors.

Changelog: Internal

Reviewed By: yungsters

Differential Revision: D50369011

fbshipit-source-id: b4a5a26b839b7327a3178e6f5b35246dea365a38

Author: GijsWeterings

packages/dev-middleware/src/inspector-proxy/types.js

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @flow
+ * @flow strict-local
  * @format
  * @oncall react_native
  */

packages/react-native/Libraries/Animated/AnimatedPlatformConfig.js

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @flow
+ * @flow strict-local
  * @format
  */
 

packages/react-native/Libraries/Animated/shouldUseTurboAnimatedModule.js

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @flow
+ * @flow strict-local
  * @format
  */
 

packages/react-native/Libraries/Components/Button.flow.js

@@ -5,7 +5,7 @@
  * LICENSE file in the root directory of this source tree.
  *
  * @format
- * @flow
+ * @flow strict-local
  * @generate-docs
  */
 

packages/react-native/Libraries/Components/RefreshControl/RefreshControl.js

@@ -5,7 +5,7 @@
  * LICENSE file in the root directory of this source tree.
  *
  * @format
- * @flow
+ * @flow strict-local
  */
 
 import type {ColorValue} from '../../StyleSheet/StyleSheet';

packages/react-native/Libraries/Components/ScrollView/ScrollContentViewNativeComponent.js

@@ -5,7 +5,7 @@
  * LICENSE file in the root directory of this source tree.
  *
  * @format
- * @flow
+ * @flow strict-local
  */
 
 import type {

packages/react-native/Libraries/Components/TextInput/InputAccessoryView.js

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @flow
+ * @flow strict-local
  * @format
  */
 

packages/react-native/Libraries/Components/View/ReactNativeStyleAttributes.js

@@ -5,7 +5,7 @@
  * LICENSE file in the root directory of this source tree.
  *
  * @format strict-local
- * @flow
+ * @flow strict-local
  */
 
 import type {AnyAttributeType} from '../../Renderer/shims/ReactNativeTypes';

packages/react-native/Libraries/Lists/FillRateHelper.js

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @flow
+ * @flow strict-local
  * @format
  */
 

packages/react-native/Libraries/Lists/ViewabilityHelper.js

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @flow
+ * @flow strict-local
  * @format
  */