Manual fixes to cycles for xplat

Summary:
Add annotations to xplat to break cycles

Changelog:
[internal]

Reviewed By: SamChou19815

Differential Revision: D41111962

fbshipit-source-id: f268871cbaae5bc51d6f576d9c0697e637dea5d1

Author: mvitousek

Libraries/Interaction/PanResponder.flow.js

@@ -176,7 +176,7 @@ type ActiveCallback = (
 
 type PassiveCallback = (event: PressEvent, gestureState: GestureState) => mixed;
 
-type PanHandlers = {|
+export type PanHandlers = {|
   onMoveShouldSetResponder: (event: PressEvent) => boolean,
   onMoveShouldSetResponderCapture: (event: PressEvent) => boolean,
   onResponderEnd: (event: PressEvent) => void,

Libraries/Interaction/PanResponder.js

@@ -191,7 +191,7 @@ type ActiveCallback = (
 
 type PassiveCallback = (event: PressEvent, gestureState: GestureState) => mixed;
 
-type PanHandlers = {|
+export type PanHandlers = {|
   onMoveShouldSetResponder: (event: PressEvent) => boolean,
   onMoveShouldSetResponderCapture: (event: PressEvent) => boolean,
   onResponderEnd: (event: PressEvent) => void,