Update bucklets to get new buck version and fixes

genrules can no longer have deps; use zip_file instead for :all.

Change-Id: I192797aef38964aee81b7be680d3e5401b255c6e

BUCK

diff --git a/BUCK b/BUCK
index 16bf880..913ab47 100644
--- a/BUCK
+++ b/BUCK
@@ -39,11 +39,9 @@
       out = out,
     )
 
-  genrule(
+  zip_file(
     name = 'all',
-    cmd = 'echo done >$OUT',
-    deps = [':' + e for e in a],
-    out = '__fake.gitiles__',
+    srcs = [':%s' % e for e in a],
   )
 
 b()

bucklets

diff --git a/bucklets b/bucklets
index a99d32f..661e6c8 160000
--- a/bucklets
+++ b/bucklets
@@ -1 +1 @@
-Subproject commit a99d32fe4a8ca1ef62808e4fe7b13f67b8ad615e
+Subproject commit 661e6c8a61ea0e817382b71762a22706788d6c9d