Add LocklessQueue::Pinner class

This will allow reading messages from queues without copying, which is
helpful for speeding up the processing of images.

Change-Id: Ia4bb98afa6fe1c1b5cc186e3071c7458f143d77d
diff --git a/aos/ipc_lib/BUILD b/aos/ipc_lib/BUILD
index 5e14abc..6c14200 100644
--- a/aos/ipc_lib/BUILD
+++ b/aos/ipc_lib/BUILD
@@ -134,6 +134,9 @@
     srcs = ["index.cc"],
     hdrs = ["index.h"],
     visibility = ["//visibility:public"],
+    deps = [
+        "@com_github_google_glog//:glog",
+    ],
 )
 
 cc_test(