Remove unnecessary filegroup and change genrule to accomodate. am: 8baa786392 am: be5941c4a8 am: f99c7f354b am: d81f699a07 am: b685d2f474

Original change: https://android-review.googlesource.com/c/platform/external/libcap/+/2139872

Change-Id: Ia289a8b1b80b7499e91ff0a373707bdc3b880cba
Signed-off-by: Automerger Merge Worker <[email protected]>