Build with current SDK

Bug: 11533662
Change-Id: I13c26034c1cb2dcc03c281b49dda4df184592e17
diff --git a/Android.mk b/Android.mk
index 926f197..8bbbd98 100644
--- a/Android.mk
+++ b/Android.mk
@@ -51,7 +51,7 @@
 
 LOCAL_PROGUARD_FLAG_FILES := proguard.flags $(unified_email_dir)/proguard.flags
 
-LOCAL_SDK_VERSION := 18
+LOCAL_SDK_VERSION := current
 
 include $(BUILD_PACKAGE)