Remove ReactTextViewManager subclasses

Summary:
Subclassing a ViewManager means an additional PropsSetter class is generated (and other overheads). Instead we can use a Factory/Provider to construct ReactTextViewManager, since we don't actually need a subclass.

Changelog: [Internal]

Reviewed By: rshest

Differential Revision: D36411098

fbshipit-source-id: 11c5ba5c9683a3ae4741cf61338f1983c69d9b69

ReactAndroid/src/main/java/com/facebook/react/views/text/ReactTextViewManager.java

@@ -48,8 +48,11 @@ public class ReactTextViewManager
   protected @Nullable ReactTextViewManagerCallback mReactTextViewManagerCallback;
 
   public ReactTextViewManager() {
-    super();
+    this(null);
+  }
 
+  public ReactTextViewManager(@Nullable ReactTextViewManagerCallback reactTextViewManagerCallback) {
+    mReactTextViewManagerCallback = reactTextViewManagerCallback;
     setupViewRecycling();
   }