vndk-def: Add DT_NEEDED removal tool

This commit adds `remove_dt_needed.py`.  `remove_dt_needed.py` is a
binary editor which removes the specified library from DT_NEEDED
entries.

Test: remove_dt_needed.py [input.so] -o [output.so] --name [victim]
Change-Id: Ief62aa57a4b315926269fbb38e79798772fa554c
1 file changed