Changed to use real pixels only for evaluating MVs
Changed to use real pixels only for evaluating MVs

The commit changed to avoid using pixels from extended border in
in evaluating and select best reference motion vector.

Change-Id: I39b758889373e42ed2889d59744388e5b9c1a20a

turbulenz/libvpx,kalli123/webm.libvpx,thdav/aom,reimaginemedia/webm.libvpx,matanbs/webm.libvpx,hsueceumd/test_hui,jdm/libvpx,kim42083/webm.libvpx,ittiamvpx/libvpx-1,cinema6/libvpx,jdm/libvpx,mwgoldsmith/libvpx,shacklettbp/aom,goodleixiao/vpx,luctrudeau/aom,abwiz0086/webm.libvpx,thdav/aom,Laknot/libvpx,charup/https---github.com-webmproject-libvpx-,mbebenita/aom,cinema6/libvpx,mbebenita/aom,openpeer/libvpx_new,Maria1099/webm.libvpx,jmvalin/aom,Maria1099/webm.libvpx,matanbs/vp982,n4t/libvpx,kim42083/webm.libvpx,shacklettbp/aom,charup/https---github.com-webmproject-libvpx-,VTCSecureLLC/libvpx,Topopiccione/libvpx,running770/libvpx,kim42083/webm.libvpx,openpeer/libvpx_new,reimaginemedia/webm.libvpx,sanyaade-teachings/libvpx,ShiftMediaProject/libvpx,shareefalis/libvpx,webmproject/libvpx,Acidburn0zzz/webm.libvpx,n4t/libvpx,jdm/libvpx,openpeer/libvpx_new,gshORTON/webm.libvpx,felipebetancur/libvpx,luctrudeau/aom,GrokImageCompression/aom,kalli123/webm.libvpx,kalli123/webm.libvpx,GrokImageCompression/aom,mbebenita/aom,mbebenita/aom,gshORTON/webm.libvpx,mwgoldsmith/vpx,goodleixiao/vpx,matanbs/vp982,reimaginemedia/webm.libvpx,turbulenz/libvpx,kleopatra999/webm.libvpx,stewnorriss/libvpx,pcwalton/libvpx,liqianggao/libvpx,kalli123/webm.libvpx,jdm/libvpx,VTCSecureLLC/libvpx,stewnorriss/libvpx,iniwf/webm.libvpx,Acidburn0zzz/webm.libvpx,zofuthan/libvpx,vasilvv/esvp8,gshORTON/webm.libvpx,Topopiccione/libvpx,shareefalis/libvpx,gshORTON/webm.libvpx,Suvarna1488/webm.libvpx,Suvarna1488/webm.libvpx,kim42083/webm.libvpx,openpeer/libvpx_new,iniwf/webm.libvpx,pcwalton/libvpx,jacklicn/webm.libvpx,turbulenz/libvpx,hsueceumd/test_hui,WebRTC-Labs/libvpx,liqianggao/libvpx,webmproject/libvpx,Maria1099/webm.libvpx,hsueceumd/test_hui,goodleixiao/vpx,Topopiccione/libvpx,shacklettbp/aom,abwiz0086/webm.libvpx,liqianggao/libvpx,turbulenz/libvpx,abwiz0086/webm.libvpx,matanbs/vp982,turbulenz/libvpx,lyx2014/libvpx_c,kleopatra999/webm.libvpx,felipebetancur/libvpx,turbulenz/libvpx,vasilvv/esvp8,vasilvv/esvp8,matanbs/vp982,hsueceumd/test_hui,jacklicn/webm.libvpx,shyamalschandra/libvpx,n4t/libvpx,Laknot/libvpx,sanyaade-teachings/libvpx,Acidburn0zzz/webm.libvpx,Maria1099/webm.libvpx,shacklettbp/aom,webmproject/libvpx,mwgoldsmith/vpx,WebRTC-Labs/libvpx,kim42083/webm.libvpx,mbebenita/aom,shareefalis/libvpx,luctrudeau/aom,cinema6/libvpx,pcwalton/libvpx,iniwf/webm.libvpx,cinema6/libvpx,mbebenita/aom,goodleixiao/vpx,jacklicn/webm.libvpx,shareefalis/libvpx,smarter/aom,mwgoldsmith/libvpx,kalli123/webm.libvpx,altogother/webm.libvpx,openpeer/libvpx_new,VTCSecureLLC/libvpx,shareefalis/libvpx,GrokImageCompression/aom,abwiz0086/webm.libvpx,liqianggao/libvpx,altogother/webm.libvpx,running770/libvpx,Distrotech/libvpx,Laknot/libvpx,ittiamvpx/libvpx-1,zofuthan/libvpx,running770/libvpx,ittiamvpx/libvpx,n4t/libvpx,liqianggao/libvpx,ShiftMediaProject/libvpx,luctrudeau/aom,WebRTC-Labs/libvpx,mwgoldsmith/libvpx,lyx2014/libvpx_c,VTCSecureLLC/libvpx,mbebenita/aom,turbulenz/libvpx,kim42083/webm.libvpx,jmvalin/aom,jacklicn/webm.libvpx,kleopatra999/webm.libvpx,running770/libvpx,matanbs/webm.libvpx,stewnorriss/libvpx,Suvarna1488/webm.libvpx,lyx2014/libvpx_c,ittiamvpx/libvpx-1,vasilvv/esvp8,GrokImageCompression/aom,mbebenita/aom,ShiftMediaProject/libvpx,charup/https---github.com-webmproject-libvpx-,Distrotech/libvpx,mbebenita/aom,Laknot/libvpx,ShiftMediaProject/libvpx,Maria1099/webm.libvpx,jacklicn/webm.libvpx,zofuthan/libvpx,Laknot/libvpx,GrokImageCompression/aom,ittiamvpx/libvpx-1,jmvalin/aom,ittiamvpx/libvpx-1,abwiz0086/webm.libvpx,sanyaade-teachings/libvpx,Acidburn0zzz/webm.libvpx,ittiamvpx/libvpx,n4t/libvpx,cinema6/libvpx,reimaginemedia/webm.libvpx,mwgoldsmith/libvpx,thdav/aom,webmproject/libvpx,charup/https---github.com-webmproject-libvpx-,abwiz0086/webm.libvpx,Distrotech/libvpx,jacklicn/webm.libvpx,running770/libvpx,Distrotech/libvpx,matanbs/webm.libvpx,zofuthan/libvpx,openpeer/libvpx_new,mwgoldsmith/libvpx,cinema6/libvpx,felipebetancur/libvpx,reimaginemedia/webm.libvpx,shareefalis/libvpx,jmvalin/aom,iniwf/webm.libvpx,altogother/webm.libvpx,shacklettbp/aom,kalli123/webm.libvpx,Maria1099/webm.libvpx,luctrudeau/aom,GrokImageCompression/aom,shyamalschandra/libvpx,matanbs/webm.libvpx,Suvarna1488/webm.libvpx,zofuthan/libvpx,kleopatra999/webm.libvpx,pcwalton/libvpx,running770/libvpx,hsueceumd/test_hui,thdav/aom,VTCSecureLLC/libvpx,gshORTON/webm.libvpx,thdav/aom,shyamalschandra/libvpx,shyamalschandra/libvpx,Topopiccione/libvpx,mwgoldsmith/vpx,lyx2014/libvpx_c,pcwalton/libvpx,smarter/aom,vasilvv/esvp8,mwgoldsmith/vpx,jmvalin/aom,shacklettbp/aom,Acidburn0zzz/webm.libvpx,smarter/aom,mwgoldsmith/vpx,jdm/libvpx,shyamalschandra/libvpx,lyx2014/libvpx_c,webmproject/libvpx,vasilvv/esvp8,WebRTC-Labs/libvpx,Topopiccione/libvpx,stewnorriss/libvpx,matanbs/webm.libvpx,smarter/aom,stewnorriss/libvpx,altogother/webm.libvpx,Suvarna1488/webm.libvpx,altogother/webm.libvpx,charup/https---github.com-webmproject-libvpx-,felipebetancur/libvpx,iniwf/webm.libvpx,vasilvv/esvp8,ittiamvpx/libvpx,Distrotech/libvpx,Acidburn0zzz/webm.libvpx,webmproject/libvpx,pcwalton/libvpx,ittiamvpx/libvpx,matanbs/webm.libvpx,ittiamvpx/libvpx,Suvarna1488/webm.libvpx,mwgoldsmith/libvpx,VTCSecureLLC/libvpx,sanyaade-teachings/libvpx,ShiftMediaProject/libvpx,jmvalin/aom,turbulenz/libvpx,reimaginemedia/webm.libvpx,Distrotech/libvpx,zofuthan/libvpx,ittiamvpx/libvpx,altogother/webm.libvpx,goodleixiao/vpx,matanbs/vp982,felipebetancur/libvpx,hsueceumd/test_hui,kleopatra999/webm.libvpx,sanyaade-teachings/libvpx,liqianggao/libvpx,goodleixiao/vpx,lyx2014/libvpx_c,turbulenz/libvpx,matanbs/vp982,felipebetancur/libvpx,luctrudeau/aom,Laknot/libvpx,smarter/aom,cinema6/libvpx,matanbs/vp982,ittiamvpx/libvpx-1,smarter/aom,charup/https---github.com-webmproject-libvpx-,kleopatra999/webm.libvpx,WebRTC-Labs/libvpx,thdav/aom,gshORTON/webm.libvpx,iniwf/webm.libvpx,stewnorriss/libvpx,jdm/libvpx,shyamalschandra/libvpx,Topopiccione/libvpx,mwgoldsmith/vpx