Add missing libs (pthreads).
Add missing libs (pthreads).

01org/iotg-lin-gfx-libva,CyanogenMod/android_hardware_intel_libva,gbeauchesne/libva,zzhhui/libva,halleyzhao/libva-fdo,gbeauchesne/libva,chenxianqin/vaapi-libva,pma1/libva,01org/libva-cros,zzhhui/libva,CyanogenMod/android_hardware_intel_libva,halleyzhao/libva-fdo,android-ia/hardware_intel_libva,gbeauchesne/libva,android-ia/hardware_intel_libva,01org/iotg-lin-gfx-libva,Distrotech/libva,Distrotech/libva,01org/libva-cros,chenxianqin/vaapi-libva,01org/iotg-lin-gfx-libva,pma1/libva,pma1/libva,01org/libva-cros,Distrotech/libva,android-ia/hardware_intel_libva,chenxianqin/vaapi-libva,CyanogenMod/android_hardware_intel_libva,zzhhui/libva,halleyzhao/libva-fdo