`<TextView>.onContentSizeChange` now fires on ANY content changing circumstances

Reviewed By: blairvanderhoof

Differential Revision: D4625916

fbshipit-source-id: 80191a07edaf404a70a7571ada2d849619407bda

Libraries/Text/RCTTextView.m

@@ -238,6 +238,7 @@ static NSAttributedString *removeReactTagFromString(NSAttributedString *string)
   [_textView layoutIfNeeded];
 
   [self updatePlaceholderVisibility];
+  [self updateContentSize];
 
   _blockTextShouldChange = NO;
 }