copy responsible info to "info.rkt" files

It seems more ideal that `pkg-authors` would be specific enough
responsibility, but our existing allocations of responsibility are
more fine-grained, and we keep them for now.

original commit: 19f8f30f63

pkgs/compiler-pkgs/compiler-lib/compiler/commands/info.rkt

@@ -10,3 +10,5 @@
     ("expand" compiler/commands/expand "macro-expand source" #f)
     ("distribute" compiler/commands/exe-dir "prepare executable(s) in a directory for distribution" #f)
     ("demodularize" compiler/demodularizer/batch "produce a whole program from a single module" #f)))
+
+(define test-responsibles '(("test.rkt" jay)))

pkgs/compiler-pkgs/compiler-lib/compiler/demodularizer/info.rkt

@@ -0,0 +1,3 @@
+#lang info
+
+(define test-responsibles '((all jay)))

pkgs/compiler-pkgs/compiler-test/tests/compiler/info.rkt

@@ -0,0 +1,3 @@
+#lang info
+
+(define test-responsibles '((all jay)))