Android: decouple mojo shell from the network service.

shell/android/library_loader.cc

Index: shell/android/library_loader.cc
diff --git a/shell/android/library_loader.cc b/shell/android/library_loader.cc
index 8db925070dddcdb97f0404e6ce524ad301bfdfe2..c6510ef6ecff9ba78487d9bdc7c7868b0ccb64a6 100644
--- a/shell/android/library_loader.cc
+++ b/shell/android/library_loader.cc
@@ -7,7 +7,6 @@
 #include "base/android/jni_registrar.h"
 #include "base/android/library_loader/library_loader_hooks.h"
 #include "base/logging.h"
-#include "net/android/net_jni_registrar.h"
 #include "services/native_viewport/platform_viewport_android.h"
 #include "shell/android/android_handler.h"
 #include "shell/android/mojo_main.h"
@@ -38,9 +37,6 @@ JNI_EXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved) {
   if (!base::android::RegisterJni(env))
     return -1;
 
-  if (!net::android::RegisterJni(env))
-    return -1;
-
   if (!RegisterMojoJni(env))
     return -1;