Add BUCK files

ReactAndroid/src/main/java/com/facebook/csslayout/BUCK

@@ -0,0 +1,15 @@
+include_defs('//ReactAndroid/DEFS')
+
+android_library(
+  name = 'csslayout',
+  srcs = glob(['**/*.java']),
+  deps = [
+    react_native_dep('third-party/java/infer-annotations:infer-annotations'),
+    react_native_dep('third-party/java/jsr-305:jsr-305'),
+  ],
+  visibility = ['PUBLIC'],
+)
+
+project_config(
+  src_target = ':csslayout',
+)