media: Use project pathmap

Change-Id: I8d5d27fd6f23943f290aba5292114a3dfc2cc036

Conflicts:
	libc2dcolorconvert/Android.mk
	mm-video-legacy/vidc/vdec.mk
	mm-video-v4l2/vidc/vdec.mk
	mm-video-v4l2/vidc/venc.mk