Add Initialize() method to Application with ability to send args using

mojo/public/interfaces/application/application.mojom

Index: mojo/public/interfaces/application/application.mojom
diff --git a/mojo/public/interfaces/application/application.mojom b/mojo/public/interfaces/application/application.mojom
index 35ed34c25762311db1372f043385ddf553dbd9a7..8807bc95f68f81c9192629c1586213ce62a69c58 100644
--- a/mojo/public/interfaces/application/application.mojom
+++ b/mojo/public/interfaces/application/application.mojom
@@ -10,6 +10,9 @@ module mojo {
 // implement Interfaces.
 [Client=Shell]
 interface Application {
+  // Initialize is guaranteed to be called before any AcceptConnection calls.
+  Initialize(string[]? args);
+
   AcceptConnection(string? requestor_url, ServiceProvider? provider);
 };