Basic implementation for bufferhub HIDL service

Bug: 118124442
Test: device can boot with android.frameworks.bufferhub@1.0-service
      running
Test: BufferHubBuffer_test
Change-Id: I6d1013d9be8268e3776f8fdbdd2eb79e3d73a74e
diff --git a/PREUPLOAD.cfg b/PREUPLOAD.cfg
index 4ccb917..08218b8 100644
--- a/PREUPLOAD.cfg
+++ b/PREUPLOAD.cfg
@@ -9,6 +9,7 @@
                libs/renderengine/
                libs/ui/
                libs/vr/
+               services/bufferhub/
                services/surfaceflinger/
                services/vr/