Bump Protobuf to 3.9.0 and grpc-java to 1.22.1

Along with transitive dependencies:

- Netty 4.1.35
- tcnative-boringsll 2.0.25

Change-Id: Icfb9f0c9a9de316f02fefa833be496ca1dd4ec4b
diff --git a/WORKSPACE b/WORKSPACE
index c03b7d3..a75dd90 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -58,7 +58,6 @@
     omit_com_google_j2objc_j2objc_annotations = True,
     omit_com_google_protobuf = True,
     omit_com_google_protobuf_javalite = True,
-    omit_com_google_protobuf_nano_protobuf_javanano = True,
     omit_com_google_truth_truth = True,
     omit_com_squareup_okhttp = True,
     omit_com_squareup_okio = True,
@@ -76,6 +75,7 @@
     omit_io_netty_transport = True,
     omit_io_opencensus_api = True,
     omit_io_opencensus_grpc_metrics = True,
+    omit_io_perfmark = True,
     omit_javax_annotation = True,
     omit_junit_junit = True,
     omit_net_zlib = True,