X6837: Initial vendor tree & Sync with device tree

Change-Id: I13901a5404039adff809813c283deec88917c82f
Signed-off-by: vlxlxlv <fajarslebew31@gmail.com>

proprietary/vendor/etc/init/tetheroffloadservice.rc

@@ -0,0 +1,9 @@
+service tetheroffloadservice /vendor/bin/hw/tetheroffloadservice
+    interface android.hardware.tetheroffload.config@1.0::IOffloadConfig default
+    interface android.hardware.tetheroffload.control@1.0::IOffloadControl default
+    interface android.hardware.tetheroffload.control@1.1::IOffloadControl default
+    class hal
+    user system
+    group net_admin net_raw system misc
+    oneshot
+    disabled