Add controller to closest parent on time so as to fix the automaticallyAdjustContentInsets feature.

Summary: Here's the bug to fix:
https://github.com/facebook/react-native/issues/898
Closes https://github.com/facebook/react-native/pull/3509

Reviewed By: svcscm

Differential Revision: D2574869

Pulled By: javache

fb-gh-sync-id: 8d947c2a0edcfb695c2e209c7b44ae6417b6233e

React/Views/RCTNavigator.m

@@ -417,6 +417,7 @@ RCT_NOT_IMPLEMENTED(- (instancetype)initWithCoder:(NSCoder *)aDecoder)
 - (void)layoutSubviews
 {
   [super layoutSubviews];
+  [self reactAddControllerToClosestParent:_navigationController];
   _navigationController.view.frame = self.bounds;
 }
 

React/Views/RCTTabBar.m

@@ -80,6 +80,7 @@ RCT_NOT_IMPLEMENTED(- (instancetype)initWithCoder:(NSCoder *)aDecoder)
 - (void)layoutSubviews
 {
   [super layoutSubviews];
+  [self reactAddControllerToClosestParent:_tabController];
   _tabController.view.frame = self.bounds;
 }