Ladybird/Android: Add EventLoopImplementation for ALooper

Timers run in their own thread, to take advantage of existing Java
Executor features. By hooking into ALooper, we can spin the main
Activity's UI thread event loop without causing a fuss, or spinning the
CPU by just polling our event loop constantly.

Ladybird/Android/src/main/cpp/WebContentService.cpp

@@ -14,4 +14,7 @@ Java_org_serenityos_ladybird_WebContentService_nativeHandleTransferSockets(JNIEn
     __android_log_print(ANDROID_LOG_INFO, "WebContent", "New binding received, sockets %d and %d", ipc_socket, fd_passing_socket);
     ::close(ipc_socket);
     ::close(fd_passing_socket);
+
+    // FIXME: Create a new thread to start WebContent processing
+    //        Make sure to create IPC sockets *in that thread*!
 }