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/libexternal/Android.mk b/libexternal/Android.mk
new file mode 100644
index 0000000..cdbbd5c
--- /dev/null
+++ b/libexternal/Android.mk
@@ -0,0 +1,13 @@
+LOCAL_PATH := $(call my-dir)
+include $(LOCAL_PATH)/../common.mk
+include $(CLEAR_VARS)
+LOCAL_MODULE                  := libexternal
+LOCAL_MODULE_PATH             := $(TARGET_OUT_SHARED_LIBRARIES)
+LOCAL_MODULE_TAGS             := optional
+LOCAL_C_INCLUDES              := $(common_includes) $(kernel_includes)
+LOCAL_SHARED_LIBRARIES        := $(common_libs) liboverlay
+LOCAL_CFLAGS                  := $(common_flags) -DLOG_TAG=\"external\"
+LOCAL_ADDITIONAL_DEPENDENCIES := $(common_deps)
+LOCAL_SRC_FILES               := external.cpp
+
+include $(BUILD_SHARED_LIBRARY)