Add DaydreamVR native libraries and services

Upstreaming the main VR system components from master-dreamos-dev
into goog/master.

Bug: None
Test: `m -j32` succeeds. Sailfish boots and basic_vr sample app works
Change-Id: I853015872afc443aecee10411ef2d6b79184d051
diff --git a/libs/vr/libbufferhub/Android.mk b/libs/vr/libbufferhub/Android.mk
new file mode 100644
index 0000000..467f69f
--- /dev/null
+++ b/libs/vr/libbufferhub/Android.mk
@@ -0,0 +1,57 @@
+# Copyright (C) 2016 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+LOCAL_PATH := $(call my-dir)
+
+sourceFiles := \
+	buffer_hub_client.cpp \
+	buffer_hub_rpc.cpp \
+	ion_buffer.cpp
+
+includeFiles := \
+	$(LOCAL_PATH)/include
+
+staticLibraries := \
+	libchrome \
+	libdvrcommon \
+	libpdx_default_transport \
+
+sharedLibraries := \
+	libbase \
+	libcutils \
+	libhardware \
+	liblog \
+	libui \
+	libutils
+
+include $(CLEAR_VARS)
+LOCAL_SRC_FILES := $(sourceFiles)
+LOCAL_C_INCLUDES := $(includeFiles)
+LOCAL_CFLAGS := -DLOG_TAG=\"libbufferhub\"
+LOCAL_CFLAGS += -DTRACE=0
+LOCAL_EXPORT_C_INCLUDE_DIRS := $(includeFiles)
+LOCAL_STATIC_LIBRARIES := $(staticLibraries)
+LOCAL_SHARED_LIBRARIES := $(sharedLibraries)
+LOCAL_MODULE := libbufferhub
+include $(BUILD_STATIC_LIBRARY)
+
+include $(CLEAR_VARS)
+LOCAL_MODULE_TAGS := optional
+LOCAL_SRC_FILES := bufferhub_tests.cpp
+LOCAL_STATIC_LIBRARIES := libbufferhub $(staticLibraries)
+LOCAL_SHARED_LIBRARIES := $(sharedLibraries)
+LOCAL_MODULE := bufferhub_tests
+include $(BUILD_NATIVE_TEST)
+
+include $(call all-makefiles-under,$(LOCAL_PATH))