Add a comment about publishing licenses for third-party code

Change-Id: I21bee0bb78ab42b4f7b6a938f94653c7e21e8503

core/Makefile

@@ -408,6 +408,11 @@ endif
 # -----------------------------------------------------------------
 # NOTICE files
 #
+# We are required to publish the licenses for all code under BSD, GPL and
+# Apache licenses (and possibly other more exotic ones as well). We err on the
+# side of caution, so the licenses for other third-party code are included here
+# too.
+#
 # This needs to be before the systemimage rules, because it adds to
 # ALL_DEFAULT_INSTALLED_MODULES, which those use to pick which files
 # go into the systemimage.

core/binary.mk

@@ -571,7 +571,7 @@ built_whole_libraries := \
 # We don't care about installed static libraries, since the
 # libraries have already been linked into the module at that point.
 # We do, however, care about the NOTICE files for any static
-# libraries that we use. (see notice_files.make)
+# libraries that we use. (see notice_files.mk)
 
 installed_static_library_notice_file_targets := \
     $(foreach lib,$(LOCAL_STATIC_LIBRARIES) $(LOCAL_WHOLE_STATIC_LIBRARIES), \