Fix initial render of RN Android TextInput

Summary:
This diff fixes the initial render of RN Android TextInput. The problem was that "attributedString" was not serialized until an event was sent from native side.

Changelog: [internal] internal

Reviewed By: JoshuaGross

Differential Revision: D23383969

fbshipit-source-id: 86601434b1fbaa9f712bdb79b013a1d004bc55a4

Author: mdvacca

ReactCommon/react/renderer/components/textinput/androidtextinput/react/renderer/components/androidtextinput/AndroidTextInputState.cpp

@@ -18,10 +18,8 @@ folly::dynamic AndroidTextInputState::getDynamic() const {
   // Java doesn't need all fields, so we don't pass them along.
   folly::dynamic newState = folly::dynamic::object();
   newState["mostRecentEventCount"] = mostRecentEventCount;
-  if (mostRecentEventCount != 0) {
-    newState["attributedString"] = toDynamic(attributedString);
-    newState["hash"] = newState["attributedString"]["hash"];
-  }
+  newState["attributedString"] = toDynamic(attributedString);
+  newState["hash"] = newState["attributedString"]["hash"];
   newState["paragraphAttributes"] =
       toDynamic(paragraphAttributes); // TODO: can we memoize this in Java?
   return newState;