gRPC migration

Change-Id: I3129ae27d7ee12a23c7046f0d877e8064f2fd7f4
diff --git a/vendor/golang.org/x/sys/unix/zerrors_aix_ppc.go b/vendor/golang.org/x/sys/unix/zerrors_aix_ppc.go
index 104994b..ca9799b 100644
--- a/vendor/golang.org/x/sys/unix/zerrors_aix_ppc.go
+++ b/vendor/golang.org/x/sys/unix/zerrors_aix_ppc.go
@@ -1,6 +1,7 @@
 // mkerrors.sh -maix32
 // Code generated by the command above; see README.md. DO NOT EDIT.
 
+//go:build ppc && aix
 // +build ppc,aix
 
 // Created by cgo -godefs - DO NOT EDIT