new Permission class used to improve permission checks speed (by caching results)
diff --git a/libs/binder/Android.mk b/libs/binder/Android.mk
index c4d695e..2df6775 100644
--- a/libs/binder/Android.mk
+++ b/libs/binder/Android.mk
@@ -29,6 +29,7 @@
     MemoryHeapBase.cpp \
     MemoryHeapPmem.cpp \
 	Parcel.cpp \
+	Permission.cpp \
 	ProcessState.cpp \
 	Static.cpp