Remove --legacy flag

We've fixed the improperly formated resource strings, so no longer
need this flag.

Bug: 135615364
Test: TreeHugger
Change-Id: I0d546f73311f066dabeaf599f358a35fb130f71b
diff --git a/Android.mk b/Android.mk
index e50b0a5..b7a4a8f 100644
--- a/Android.mk
+++ b/Android.mk
@@ -97,7 +97,6 @@
 LOCAL_AAPT_FLAGS += \
 	--auto-add-overlay \
 	--extra-packages me.leolin.shortcutbadger \
-	--legacy \
 
 LOCAL_STATIC_JAVA_LIBRARIES := \
 	android-common \