Adding raw_read_frame() function to vpxdec.
Adding raw_read_frame() function to vpxdec.

Change-Id: Ie2a4606daf35b327d6f2ac8d7fd8f6cacf4c5b6a

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