Symbols from libraries opened with RTLD_LOCAL (default)
should not be visible via dlsym(RLTD_DEFAULT/RTLD_NEXT, .)
Bug: 17512583
Bug: 18186310
(cherry picked from commit e8ba50fe0d51fbefee1a8f5bb62bf51d841512c8)
Change-Id: Idf6bbe2233fb2bfc0c88677e7d1fc518fb3f7a8b