internal: bump opencensus to non-existent future version

This CL is one in a line of CLs to remove from
transitive deps. It is being done in live coordination with opencensus.

This will be tagged v0.37.3+alpha.

Change-Id: If0c55f6cd9859cd6f2cf63f0041ea5ffd76ff44a
Reviewed-by: Tyler Bui-Palsulich <>
diff --git a/go.mod b/go.mod
index 2ed5a01..871c048 100644
--- a/go.mod
+++ b/go.mod
@@ -9,7 +9,7 @@ v0.0.0-20181206194817-3ea8567a2e57 v2.0.4 v0.0.0-20190106144839-af01ea7f8024
- v0.19.2
+ v0.20.1+alpha v0.0.0-20190121172915-509febef88a4 v0.0.0-20190301231843-5614ed5bae6f v0.0.0-20190226205417-e64efc72b421
@@ -17,7 +17,7 @@ v0.3.1-0.20180807135948-17ff2d5776d2 v0.0.0-20181108054448-85acf8d2951c v0.0.0-20190312170243-e65039ee4138
- v0.3.0
+ v0.3.1+alpha v0.0.0-20190404172233-64821d5d2107 v1.19.0 v0.0.0-20190106161140-3f1c8253044a