Set correct encode size in encoder's stats.
Set correct encode size in encoder's stats.

The current implementation doesn't take care one byte
signature and associated one byte padding (for odd sized chunk).

Change-Id: I35b81d0644818cdba38189aa48c75db5f92e68f4

matanbs/webm.libwebp,Acidburn0zzz/webm.libwebp,Aexyn/libwebp,matanbs/webm.libwebp,redengineer/libwebp,PKRoma/libwebp,jacklicn/libwebp,ya7lelkom/libwebp,kim42083/webm.libwebp,reimaginemedia/webm.libwebp,comoyo/gonzo-libwebp,PKRoma/libwebp,imazen/libwebp,imazen/libwebp,matanbs/webm.libwebp,PKRoma/libwebp,iniwf/webm.libwebp,iniwf/webm.libwebp,webmproject/libwebp,kleopatra999/webm.libwebp,kleopatra999/webm.libwebp,comoyo/gonzo-libwebp,zofuthan/libwebp,altogother/webm.libwebp,altogother/webm.libwebp,Suvarna1488/webm.libwebp,Suvarna1488/webm.libwebp,matanbs/webm.libwebp,jacklicn/libwebp,abwiz0086/webm.libwebp,jiehu5114/libwebp,jiehu5114/libwebp,kalli123/webm.libwebp,comoyo/gonzo-libwebp,Suvarna1488/webm.libwebp,cysp/libwebp,redengineer/libwebp,yohunl/libwebp,imazen/libwebp,Acidburn0zzz/webm.libwebp,altogother/webm.libwebp,Tekserve/libwebp,keane83/BLE_IM,cysp/libwebp,reimaginemedia/webm.libwebp,cysp/libwebp,kleopatra999/webm.libwebp,appunite/libwebp,Tekserve/libwebp,keane83/BLE_IM,ttyangf/libwebp,gshORTON/webm.libwebp,Aexyn/libwebp,altogother/webm.libwebp,ya7lelkom/libwebp,Maria1099/webm.libwebp,rxl194/libwebp,imazen/libwebp,kalli123/webm.libwebp,ya7lelkom/libwebp,rxl194/libwebp,iniwf/webm.libwebp,comoyo/gonzo-libwebp,ericmckean/webm.libwebp,webmproject/libwebp,abwiz0086/webm.libwebp,gshORTON/webm.libwebp,webmproject/libwebp,iniwf/webm.libwebp,Aexyn/libwebp,comoyo/gonzo-libwebp,kim42083/webm.libwebp,redengineer/libwebp,keane83/BLE_IM,Aexyn/libwebp,dumganhar/libwebp,appunite/libwebp,imazen/libwebp,redengineer/libwebp,ericmckean/webm.libwebp,ya7lelkom/libwebp,kleopatra999/webm.libwebp,kalli123/webm.libwebp,rxl194/libwebp,gshORTON/webm.libwebp,yohunl/libwebp,ericmckean/webm.libwebp,reimaginemedia/webm.libwebp,keane83/BLE_IM,Maria1099/webm.libwebp,Maria1099/webm.libwebp,ttyangf/libwebp,Acidburn0zzz/webm.libwebp,iniwf/webm.libwebp,webmproject/libwebp,yohunl/libwebp,kim42083/webm.libwebp,Distrotech/libwebp,zofuthan/libwebp,appunite/libwebp,PKRoma/libwebp,comoyo/gonzo-libwebp,jacklicn/libwebp,Acidburn0zzz/webm.libwebp,ya7lelkom/libwebp,dumganhar/libwebp,rxl194/libwebp,Suvarna1488/webm.libwebp,abwiz0086/webm.libwebp,jacklicn/libwebp,kim42083/webm.libwebp,Maria1099/webm.libwebp,abwiz0086/webm.libwebp,kleopatra999/webm.libwebp,ttyangf/libwebp,jacklicn/libwebp,comoyo/gonzo-libwebp,ericmckean/webm.libwebp,appunite/libwebp,reimaginemedia/webm.libwebp,Distrotech/libwebp,webmproject/libwebp,redengineer/libwebp,abwiz0086/webm.libwebp,Tekserve/libwebp,jiehu5114/libwebp,jiehu5114/libwebp,gshORTON/webm.libwebp,dumganhar/libwebp,zofuthan/libwebp,Tekserve/libwebp,appunite/libwebp,zofuthan/libwebp,Suvarna1488/webm.libwebp,ericmckean/webm.libwebp,yohunl/libwebp,yohunl/libwebp,kalli123/webm.libwebp,altogother/webm.libwebp,gshORTON/webm.libwebp,keane83/BLE_IM,ttyangf/libwebp,ttyangf/libwebp,reimaginemedia/webm.libwebp,Acidburn0zzz/webm.libwebp,matanbs/webm.libwebp,PKRoma/libwebp,cysp/libwebp,kim42083/webm.libwebp,appunite/libwebp,jiehu5114/libwebp,Aexyn/libwebp,kalli123/webm.libwebp,Maria1099/webm.libwebp,zofuthan/libwebp,rxl194/libwebp,Distrotech/libwebp,PKRoma/libwebp