Update directory hierarchy of AndroidTextInput C++ files

Summary:
This diff updates the directory hierarchy of AndroidTextInput C++ files to be compatible with Android OSS build system

changelog: [internal] Internal

Reviewed By: PeteTheHeat

Differential Revision: D23179390

fbshipit-source-id: 1c52e4f882853799a58d44876cadd392b4a35050

ReactAndroid/src/main/java/com/facebook/react/fabric/jni/BUCK

@@ -47,5 +47,6 @@ rn_xplat_cxx_library(
         "//xplat/js/react-native-github:generated_components-rncore",
         react_native_xplat_target("react/renderer/components/image:image"),
         react_native_xplat_target("react/renderer/components/text:text"),
+        react_native_xplat_target("react/renderer/components/textinput:androidtextinput"),
     ],
 )

ReactCommon/react/renderer/components/textinput/BUCK

@@ -29,7 +29,7 @@ rn_xplat_cxx_library(
     exported_headers = subdir_glob(
         [
             ("", "*.h"),
-            ("androidtextinput", "*.h"),
+            ("androidtextinput/react/renderer/components/androidtextinput", "*.h"),
         ],
         prefix = "react/renderer/components/androidtextinput",
     ),