FAB-4247 update to latest grpc

Change-Id: Ic0a65114ab52c9547409b38f60d35b46d9ceae7a
Signed-off-by: rickr <cr22rc@gmail.com>

Author: cr22rc

pom.xml

@@ -28,7 +28,7 @@
         <tag>fabric-sdk-java-1.0</tag>
     </scm>
     <properties>
-        <grpc.version>1.2.0</grpc.version><!-- CURRENT_GRPC_VERSION -->
+        <grpc.version>1.3.0</grpc.version><!-- CURRENT_GRPC_VERSION -->
         <bouncycastle.version>1.55</bouncycastle.version>
         <httpclient.version>4.5.2</httpclient.version>
         <skipITs>true</skipITs>