Declare license metadata for copied files.

Bug: 151177513

Test: m nothing reportmissinglicenses
Change-Id: I2d06c042e41eda55930ea3b49efd9f27e35bc520
diff --git a/rootdir/Android.mk b/rootdir/Android.mk
index d592366..c17ef52 100644
--- a/rootdir/Android.mk
+++ b/rootdir/Android.mk
@@ -1,5 +1,7 @@
 LOCAL_PATH:= $(call my-dir)
 
+$(eval $(call declare-1p-copy-files,system/core/rootdir,))
+
 #######################################
 # init-debug.rc
 include $(CLEAR_VARS)