display: Create QService binder interface.

Add QService binder interface to enable communication
to display by the mediaserver for Securing/Unsecuring start and end
notifications.

Create separate lib for external.
Clear reserved field before applying format.

Change-Id: I463c9c6deac7587bd0c4e0b84513b5d0b5dd7e98
diff --git a/libhwcomposer/Android.mk b/libhwcomposer/Android.mk
index 51f1e00..343686c 100644
--- a/libhwcomposer/Android.mk
+++ b/libhwcomposer/Android.mk
@@ -6,14 +6,15 @@
 LOCAL_MODULE_TAGS             := optional
 LOCAL_C_INCLUDES              := $(common_includes) $(kernel_includes)
 LOCAL_SHARED_LIBRARIES        := $(common_libs) libEGL liboverlay libgenlock \
-                                 libqdutils libhardware_legacy libdl libmemalloc
+                                 libexternal libqdutils libhardware_legacy \
+                                 libdl libmemalloc libqservice
+
 LOCAL_CFLAGS                  := $(common_flags) -DLOG_TAG=\"hwcomposer\"
 LOCAL_ADDITIONAL_DEPENDENCIES := $(common_deps)
 LOCAL_SRC_FILES               := hwc.cpp          \
                                  hwc_video.cpp    \
                                  hwc_utils.cpp    \
                                  hwc_uimirror.cpp \
-                                 hwc_external.cpp \
                                  hwc_uevents.cpp  \
                                  hwc_copybit.cpp  \
                                  hwc_mdpcomp.cpp  \