Replace custom logwrapper implementation with liblogwrap

Use liblogwrap to provide logwrapper functionality instead of
using vold's own implementation.

Change-Id: I76aac5aa72a1fdca043a63b86c6a9b54e7abec16
diff --git a/Android.mk b/Android.mk
index b7a4905..d13fa8b 100644
--- a/Android.mk
+++ b/Android.mk
@@ -8,7 +8,6 @@
 	NetlinkHandler.cpp \
 	Volume.cpp \
 	DirectVolume.cpp \
-	logwrapper.c \
 	Process.cpp \
 	Ext4.cpp \
 	Fat.cpp \
@@ -28,6 +27,7 @@
 	libcutils \
 	libdiskconfig \
 	libhardware_legacy \
+	liblogwrap \
 	libcrypto
 
 include $(CLEAR_VARS)