Add gradle wrapper

Reviewed By: astreet

Differential Revision: D2590921

fb-gh-sync-id: cf870c96f772c06e1a8b69014ebd906978ea8c00

ReactAndroid/src/main/java/com/facebook/proguard/annotations/BUCK

@@ -0,0 +1,14 @@
+android_library(
+  name = 'annotations',
+  srcs = glob(['*.java']),
+  proguard_config = 'proguard_annotations.pro',
+  deps = [
+  ],
+  visibility = [
+    'PUBLIC',
+  ],
+)
+
+project_config(
+  src_target = ':annotations',
+)