Bumped version of gRPC to 1.3.1

Change-Id: I7798476bd443a796e0e6a6e149ab8f66435ba4fa
diff --git a/tools/dev/bin/onos-setup-p4-dev b/tools/dev/bin/onos-setup-p4-dev
index 5450651..e844718 100755
--- a/tools/dev/bin/onos-setup-p4-dev
+++ b/tools/dev/bin/onos-setup-p4-dev
@@ -19,7 +19,7 @@
 PI_COMMIT="13d611a9c655938676ebcde2bd5653b461f46ca7"
 P4C_COMMIT="040b931fbfcb7912e3a14cd05df950fbdd49b038"
 PROTOBUF_COMMIT="tags/v3.2.0"
-GRPC_COMMIT="tags/v1.3.0"
+GRPC_COMMIT="tags/v1.3.2"
 
 NUM_CORES=`grep -c ^processor /proc/cpuinfo`