Upgrade bucklets to latest version

To get the same buck version as used on Gerrit's master branch. Given
that genrule removed deps attribute, switch to zip_file rule to offer
all rule target that builds all artifacts.

Change-Id: I6b7c91e710a51576585824ee9a47a9a952b6effa

BUCK

diff --git a/BUCK b/BUCK
index bfdbc8d..5c488a1 100644
--- a/BUCK
+++ b/BUCK
@@ -13,15 +13,14 @@
   SRC + 'builtin/PRED_tab_2.java',
 ]
 
-genrule(
+zip_file(
   name = 'all',
-  cmd = ':>all',
-  deps = [
+  srcs = [
     ':cafeteria',
     ':compiler',
     ':runtime',
   ],
-  out = '__fake.all__',
+  out = 'all.zip',
 )
 
 java_binary(

bucklets

diff --git a/bucklets b/bucklets
index bdd7f97..fa16504 160000
--- a/bucklets
+++ b/bucklets
@@ -1 +1 @@
-Subproject commit bdd7f97fd64a6bdcd6e42d677394f4f9b7cdb4dd
+Subproject commit fa165048ab280b62a5b13819eaf9e48c659739e5