added backward compatibility symbols for libqc-opt.so

Summary: This is needed in find5 camera. We also had it in jb-devel builds.

Test Plan: better than a shared lib stub ;D

Reviewers: synergy, randall.rushing, raymanfx, donald.munn, anders3408

Reviewed By: anders3408

Differential Revision: http://review.codefirex.com/D198

Change-Id: Iac5e6ee81b258f94cb437b4ab97b068e3915d53e
added backward compatibility symbols for libqc-opt.so

Summary:
This is needed for N1 camera. Same thing was done for Find5 camera.
Find5 needed utext_openUChars_48
N1 needs utext_openUChars_50

Test Plan: Still better than a shared lib stub ;D

Reviewers: synergy, randall.rushing, raymanfx, donald.munn

CC: synergy

Differential Revision: http://review.codefirex.com/D304

Change-Id: I4785dff69a79c208dd407c48e81aae860f3cf961