media: fix msm8660 omx issue

for msm8660: previous code lost libOmxVdec.so & libOmxVenc.so , now fixed it!

Change-Id: Ie6db1be912f0411bca47e9bfba9d0b7053febb18

Conflicts:

	mm-video-legacy/vidc/vdec/Android.mk
	mm-video-legacy/vidc/vdec/src/omx_vdec.cpp
fix up the previous commit