Implement net/ support for Android's NetworkSecurityPolicy

net/android/network_library.cc

Index: net/android/network_library.cc
diff --git a/net/android/network_library.cc b/net/android/network_library.cc
index 6612381853f4d7082342393cec62bc97e6058a08..34a919402f393fbd1c78907cccfc07ba807498ee 100644
--- a/net/android/network_library.cc
+++ b/net/android/network_library.cc
@@ -79,6 +79,12 @@ bool StoreKeyPair(const uint8_t* public_key,
   return ret;
 }
 
+bool IsCleartextPermitted(const std::string& host) {
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jstring> host_string = ConvertUTF8ToJavaString(env, host);
+  return Java_AndroidNetworkLibrary_isCleartextPermitted(env, host_string);
+}
+
 bool HaveOnlyLoopbackAddresses() {
   JNIEnv* env = AttachCurrentThread();
   return Java_AndroidNetworkLibrary_haveOnlyLoopbackAddresses(env);