Sync java options in example protos
This makes the protos identical between this repository and the java
repository.
Fixes grpc/grpc-java#1381
diff --git a/examples/protos/route_guide.proto b/examples/protos/route_guide.proto
index 7a70040..12c4495 100644
--- a/examples/protos/route_guide.proto
+++ b/examples/protos/route_guide.proto
@@ -29,7 +29,9 @@
syntax = "proto3";
-option java_package = "ex.grpc";
+option java_multiple_files = true;
+option java_package = "io.grpc.examples.routeguide";
+option java_outer_classname = "RouteGuideProto";
option objc_class_prefix = "RTG";
package routeguide;