update tradefed for CTS

Resolves issue with sharding in cts-tradefed

(reapply ag/720200 into master branch after an auto merger skip)

Bug: 18247399
Change-Id: I20c33221be05fad8f531e3dc9ce7bfc49addf73d
diff --git a/common/tradefed/PREBUILT b/common/tradefed/PREBUILT
index d2ca1c2..c0aa664 100644
--- a/common/tradefed/PREBUILT
+++ b/common/tradefed/PREBUILT
@@ -1,4 +1,4 @@
 The object in this prebuilt directory can be rebuilt from
 	platform/tools/tradefederation
 
-From the revision 9a262a2f27564ac3747f1bc7a5d49064df744a95
+From the revision d6af5695dcaf2508a6df84029348f876d5169435
diff --git a/common/tradefed/tradefed-prebuilt.jar b/common/tradefed/tradefed-prebuilt.jar
index 1faea2a..188f2c9 100644
--- a/common/tradefed/tradefed-prebuilt.jar
+++ b/common/tradefed/tradefed-prebuilt.jar
Binary files differ