Add robots.txt
Add robots.txt

BUG=skia:
NOTREECHECKS=true

Review URL: https://codereview.chromium.org/851793004

samuelig/skia,Infinitive-OS/platform_external_skia,TeamExodus/external_skia,TeamTwisted/external_skia,OneRom/external_skia,YUPlayGodDev/platform_external_skia,HalCanary/skia-hc,MonkeyZZZZ/platform_external_skia,ominux/skia,TeamTwisted/external_skia,MarshedOut/android_external_skia,spezi77/android_external_skia,spezi77/android_external_skia,OneRom/external_skia,UBERMALLOW/external_skia,rubenvb/skia,YUPlayGodDev/platform_external_skia,invisiblek/android_external_skia,boulzordev/android_external_skia,AOSP-YU/platform_external_skia,rubenvb/skia,vanish87/skia,ominux/skia,tmpvar/skia.cc,BrokenROM/external_skia,TeamExodus/external_skia,shahrzadmn/skia,noselhq/skia,nfxosp/platform_external_skia,UBERMALLOW/external_skia,AOSP-YU/platform_external_skia,MarshedOut/android_external_skia,pcwalton/skia,AOSP-YU/platform_external_skia,todotodoo/skia,TeamTwisted/external_skia,MonkeyZZZZ/platform_external_skia,pcwalton/skia,HalCanary/skia-hc,TeamExodus/external_skia,w3nd1go/android_external_skia,google/skia,amyvmiwei/skia,Igalia/skia,PAC-ROM/android_external_skia,TeamTwisted/external_skia,MonkeyZZZZ/platform_external_skia,scroggo/skia,PAC-ROM/android_external_skia,TeamTwisted/external_skia,Jichao/skia,BrokenROM/external_skia,amyvmiwei/skia,Jichao/skia,todotodoo/skia,samuelig/skia,pcwalton/skia,samuelig/skia,nvoron23/skia,noselhq/skia,MinimalOS-AOSP/platform_external_skia,BrokenROM/external_skia,Hikari-no-Tenshi/android_external_skia,w3nd1go/android_external_skia,MonkeyZZZZ/platform_external_skia,todotodoo/skia,google/skia,AOSPB/external_skia,Jichao/skia,rubenvb/skia,boulzordev/android_external_skia,aosp-mirror/platform_external_skia,HalCanary/skia-hc,timduru/platform-external-skia,nvoron23/skia,YUPlayGodDev/platform_external_skia,todotodoo/skia,google/skia,aosp-mirror/platform_external_skia,samuelig/skia,invisiblek/android_external_skia,BrokenROM/external_skia,google/skia,Hikari-no-Tenshi/android_external_skia,vanish87/skia,Jichao/skia,UBERMALLOW/external_skia,google/skia,qrealka/skia-hc,vanish87/skia,Jichao/skia,w3nd1go/android_external_skia,geekboxzone/mmallow_external_skia,AOSP-YU/platform_external_skia,BrokenROM/external_skia,Infinitive-OS/platform_external_skia,MarshedOut/android_external_skia,shahrzadmn/skia,shahrzadmn/skia,VRToxin-AOSP/android_external_skia,spezi77/android_external_skia,noselhq/skia,TeamTwisted/external_skia,VRToxin-AOSP/android_external_skia,tmpvar/skia.cc,rubenvb/skia,Jichao/skia,Jichao/skia,google/skia,Hikari-no-Tenshi/android_external_skia,TeamExodus/external_skia,UBERMALLOW/external_skia,invisiblek/android_external_skia,ominux/skia,PAC-ROM/android_external_skia,nfxosp/platform_external_skia,Infinitive-OS/platform_external_skia,nfxosp/platform_external_skia,MinimalOS-AOSP/platform_external_skia,VRToxin-AOSP/android_external_skia,YUPlayGodDev/platform_external_skia,YUPlayGodDev/platform_external_skia,OneRom/external_skia,google/skia,boulzordev/android_external_skia,scroggo/skia,MonkeyZZZZ/platform_external_skia,w3nd1go/android_external_skia,Infinitive-OS/platform_external_skia,amyvmiwei/skia,boulzordev/android_external_skia,shahrzadmn/skia,qrealka/skia-hc,Infinitive-OS/platform_external_skia,tmpvar/skia.cc,nfxosp/platform_external_skia,samuelig/skia,aosp-mirror/platform_external_skia,AOSPB/external_skia,AOSPB/external_skia,shahrzadmn/skia,Infinitive-OS/platform_external_skia,w3nd1go/android_external_skia,OneRom/external_skia,UBERMALLOW/external_skia,MinimalOS-AOSP/platform_external_skia,google/skia,scroggo/skia,noselhq/skia,HalCanary/skia-hc,shahrzadmn/skia,google/skia,amyvmiwei/skia,invisiblek/android_external_skia,nvoron23/skia,ominux/skia,Igalia/skia,geekboxzone/mmallow_external_skia,rubenvb/skia,TeamExodus/external_skia,MonkeyZZZZ/platform_external_skia,geekboxzone/mmallow_external_skia,PAC-ROM/android_external_skia,nvoron23/skia,HalCanary/skia-hc,YUPlayGodDev/platform_external_skia,nvoron23/skia,TeamExodus/external_skia,samuelig/skia,VRToxin-AOSP/android_external_skia,AOSP-YU/platform_external_skia,rubenvb/skia,AOSP-YU/platform_external_skia,AOSPB/external_skia,MarshedOut/android_external_skia,shahrzadmn/skia,pcwalton/skia,OneRom/external_skia,OneRom/external_skia,ominux/skia,AOSPB/external_skia,nfxosp/platform_external_skia,geekboxzone/mmallow_external_skia,timduru/platform-external-skia,AOSP-YU/platform_external_skia,boulzordev/android_external_skia,HalCanary/skia-hc,Infinitive-OS/platform_external_skia,tmpvar/skia.cc,TeamExodus/external_skia,HalCanary/skia-hc,BrokenROM/external_skia,shahrzadmn/skia,PAC-ROM/android_external_skia,w3nd1go/android_external_skia,Igalia/skia,todotodoo/skia,pcwalton/skia,noselhq/skia,AOSP-YU/platform_external_skia,invisiblek/android_external_skia,amyvmiwei/skia,todotodoo/skia,TeamExodus/external_skia,rubenvb/skia,VRToxin-AOSP/android_external_skia,boulzordev/android_external_skia,MonkeyZZZZ/platform_external_skia,MinimalOS-AOSP/platform_external_skia,UBERMALLOW/external_skia,MinimalOS-AOSP/platform_external_skia,vanish87/skia,TeamTwisted/external_skia,rubenvb/skia,vanish87/skia,UBERMALLOW/external_skia,VRToxin-AOSP/android_external_skia,geekboxzone/mmallow_external_skia,AOSP-YU/platform_external_skia,YUPlayGodDev/platform_external_skia,Hikari-no-Tenshi/android_external_skia,pcwalton/skia,vanish87/skia,MinimalOS-AOSP/platform_external_skia,timduru/platform-external-skia,nvoron23/skia,Igalia/skia,geekboxzone/mmallow_external_skia,Igalia/skia,AOSPB/external_skia,UBERMALLOW/external_skia,HalCanary/skia-hc,VRToxin-AOSP/android_external_skia,MarshedOut/android_external_skia,MarshedOut/android_external_skia,ominux/skia,spezi77/android_external_skia,Infinitive-OS/platform_external_skia,w3nd1go/android_external_skia,nfxosp/platform_external_skia,nfxosp/platform_external_skia,MarshedOut/android_external_skia,invisiblek/android_external_skia,HalCanary/skia-hc,timduru/platform-external-skia,rubenvb/skia,MinimalOS-AOSP/platform_external_skia,AOSPB/external_skia,nfxosp/platform_external_skia,amyvmiwei/skia,MonkeyZZZZ/platform_external_skia,noselhq/skia,invisiblek/android_external_skia,pcwalton/skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,vanish87/skia,scroggo/skia,OneRom/external_skia,BrokenROM/external_skia,Hikari-no-Tenshi/android_external_skia,pcwalton/skia,spezi77/android_external_skia,tmpvar/skia.cc,AOSPB/external_skia,ominux/skia,MarshedOut/android_external_skia,samuelig/skia,nvoron23/skia,scroggo/skia,VRToxin-AOSP/android_external_skia,PAC-ROM/android_external_skia,ominux/skia,tmpvar/skia.cc,amyvmiwei/skia,PAC-ROM/android_external_skia,MinimalOS-AOSP/platform_external_skia,HalCanary/skia-hc,Jichao/skia,todotodoo/skia,Jichao/skia,aosp-mirror/platform_external_skia,TeamExodus/external_skia,todotodoo/skia,timduru/platform-external-skia,tmpvar/skia.cc,qrealka/skia-hc,shahrzadmn/skia,noselhq/skia,YUPlayGodDev/platform_external_skia,aosp-mirror/platform_external_skia,YUPlayGodDev/platform_external_skia,Igalia/skia,geekboxzone/mmallow_external_skia,VRToxin-AOSP/android_external_skia,BrokenROM/external_skia,w3nd1go/android_external_skia,OneRom/external_skia,Hikari-no-Tenshi/android_external_skia,vanish87/skia,rubenvb/skia,qrealka/skia-hc,samuelig/skia,geekboxzone/mmallow_external_skia,MinimalOS-AOSP/platform_external_skia,aosp-mirror/platform_external_skia,ominux/skia,TeamTwisted/external_skia,invisiblek/android_external_skia,spezi77/android_external_skia,qrealka/skia-hc,PAC-ROM/android_external_skia,Infinitive-OS/platform_external_skia,MonkeyZZZZ/platform_external_skia,tmpvar/skia.cc,TeamTwisted/external_skia,Igalia/skia,nvoron23/skia,scroggo/skia,pcwalton/skia,todotodoo/skia,OneRom/external_skia,amyvmiwei/skia,w3nd1go/android_external_skia,MarshedOut/android_external_skia,nfxosp/platform_external_skia,scroggo/skia,nvoron23/skia,PAC-ROM/android_external_skia,vanish87/skia,qrealka/skia-hc,noselhq/skia,UBERMALLOW/external_skia,Hikari-no-Tenshi/android_external_skia,aosp-mirror/platform_external_skia,timduru/platform-external-skia,timduru/platform-external-skia,noselhq/skia,boulzordev/android_external_skia,boulzordev/android_external_skia,Igalia/skia,tmpvar/skia.cc,aosp-mirror/platform_external_skia,qrealka/skia-hc,qrealka/skia-hc,Hikari-no-Tenshi/android_external_skia,boulzordev/android_external_skia,scroggo/skia,AOSPB/external_skia,google/skia,geekboxzone/mmallow_external_skia