dlsym: Restore KK transitivity for blobs that need it

Some blobs prefer the old way of looking up symbols instead of the
new, improved routines.

Edited by raymanfx: only change runtime behaviour if new_p != old_p

Change-Id: Iabdcc94f16359f6535eff901d5583922e7f42f29
Merge "dlsym: Restore KK transitivity for blobs that need it" into lp5.0