vpxdec: Rename the libyuv scale wrapper.
vpxdec: Rename the libyuv scale wrapper.

The other name was misleading: We do not export scaling support from
libvpx via vpx_im{g,age}*.

Change-Id: I8acb4ea0301f08c9bab557a4063ea35d147b4631

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