Fix overlapping writes by copy_and_extend_plane
Fix overlapping writes by copy_and_extend_plane

Broken by refactoring commit 180cd5faa52e00a77df13da15d846cfd909fc531

Change-Id: I307f6e54d93219a31e7336f1633103ecb25e4832

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