Update from https://crrev.com/309717

Includes changes for CommandLine moving into the base:: namespace, some
PickleIterator updates, and some animation API changes.

Review URL: https://codereview.chromium.org/817653003
diff --git a/tools/android/forwarder2/host_forwarder_main.cc b/tools/android/forwarder2/host_forwarder_main.cc
index 56ce4f2..47f2252 100644
--- a/tools/android/forwarder2/host_forwarder_main.cc
+++ b/tools/android/forwarder2/host_forwarder_main.cc
@@ -406,8 +406,8 @@
 }
 
 int RunHostForwarder(int argc, char** argv) {
-  CommandLine::Init(argc, argv);
-  const CommandLine& cmd_line = *CommandLine::ForCurrentProcess();
+  base::CommandLine::Init(argc, argv);
+  const base::CommandLine& cmd_line = *base::CommandLine::ForCurrentProcess();
   bool kill_server = false;
 
   Pickle pickle;