Inline usage of jarjar_rules.txt

No need to have a filegroup for this. This also has the nice side-effect
of avoiding modules outside this directory depending on the file.

Bug: 185128417
Test: m
Merged-In: Idef6f2fd89116490c43427bba55202f46377a83d
Change-Id: Idef6f2fd89116490c43427bba55202f46377a83d