Fix reference to non-existant 'tests' target.
Fix reference to non-existant 'tests' target.

This target was previously folded into dm. Do not advertise it anymore.

BUG=None
TEST=None
R=borenet@google.com

Review URL: https://codereview.chromium.org/646843002

qrealka/skia-hc,qrealka/skia-hc,rubenvb/skia,qrealka/skia-hc,TeamExodus/external_skia,vanish87/skia,boulzordev/android_external_skia,boulzordev/android_external_skia,vanish87/skia,pcwalton/skia,rubenvb/skia,TeamTwisted/external_skia,DiamondLovesYou/skia-sys,OneRom/external_skia,tmpvar/skia.cc,samuelig/skia,pcwalton/skia,todotodoo/skia,tmpvar/skia.cc,vanish87/skia,YUPlayGodDev/platform_external_skia,spezi77/android_external_skia,invisiblek/android_external_skia,geekboxzone/mmallow_external_skia,MonkeyZZZZ/platform_external_skia,boulzordev/android_external_skia,BrokenROM/external_skia,MonkeyZZZZ/platform_external_skia,boulzordev/android_external_skia,YUPlayGodDev/platform_external_skia,MarshedOut/android_external_skia,noselhq/skia,Hikari-no-Tenshi/android_external_skia,MarshedOut/android_external_skia,noselhq/skia,OneRom/external_skia,todotodoo/skia,nvoron23/skia,VRToxin-AOSP/android_external_skia,pcwalton/skia,OneRom/external_skia,timduru/platform-external-skia,google/skia,geekboxzone/mmallow_external_skia,AOSPB/external_skia,boulzordev/android_external_skia,MonkeyZZZZ/platform_external_skia,ominux/skia,MarshedOut/android_external_skia,spezi77/android_external_skia,AOSPB/external_skia,PAC-ROM/android_external_skia,shahrzadmn/skia,tmpvar/skia.cc,amyvmiwei/skia,scroggo/skia,Jichao/skia,rubenvb/skia,YUPlayGodDev/platform_external_skia,shahrzadmn/skia,AOSP-YU/platform_external_skia,TeamTwisted/external_skia,samuelig/skia,spezi77/android_external_skia,BrokenROM/external_skia,samuelig/skia,samuelig/skia,OneRom/external_skia,nfxosp/platform_external_skia,jtg-gg/skia,timduru/platform-external-skia,Igalia/skia,AOSP-YU/platform_external_skia,aosp-mirror/platform_external_skia,google/skia,samuelig/skia,amyvmiwei/skia,Hikari-no-Tenshi/android_external_skia,ominux/skia,nfxosp/platform_external_skia,MonkeyZZZZ/platform_external_skia,YUPlayGodDev/platform_external_skia,rubenvb/skia,UBERMALLOW/external_skia,shahrzadmn/skia,todotodoo/skia,ominux/skia,qrealka/skia-hc,Hikari-no-Tenshi/android_external_skia,Hikari-no-Tenshi/android_external_skia,scroggo/skia,vanish87/skia,HalCanary/skia-hc,MarshedOut/android_external_skia,TeamExodus/external_skia,Igalia/skia,Hikari-no-Tenshi/android_external_skia,UBERMALLOW/external_skia,TeamExodus/external_skia,w3nd1go/android_external_skia,VRToxin-AOSP/android_external_skia,noselhq/skia,Jichao/skia,YUPlayGodDev/platform_external_skia,aosp-mirror/platform_external_skia,Jichao/skia,amyvmiwei/skia,rubenvb/skia,vanish87/skia,invisiblek/android_external_skia,scroggo/skia,AOSPB/external_skia,w3nd1go/android_external_skia,VRToxin-AOSP/android_external_skia,Infinitive-OS/platform_external_skia,HalCanary/skia-hc,rubenvb/skia,jtg-gg/skia,amyvmiwei/skia,boulzordev/android_external_skia,timduru/platform-external-skia,Igalia/skia,UBERMALLOW/external_skia,noselhq/skia,aosp-mirror/platform_external_skia,Igalia/skia,amyvmiwei/skia,UBERMALLOW/external_skia,aosp-mirror/platform_external_skia,w3nd1go/android_external_skia,PAC-ROM/android_external_skia,PAC-ROM/android_external_skia,jtg-gg/skia,geekboxzone/mmallow_external_skia,MonkeyZZZZ/platform_external_skia,TeamExodus/external_skia,TeamTwisted/external_skia,geekboxzone/mmallow_external_skia,amyvmiwei/skia,ominux/skia,todotodoo/skia,tmpvar/skia.cc,invisiblek/android_external_skia,Infinitive-OS/platform_external_skia,HalCanary/skia-hc,TeamExodus/external_skia,MarshedOut/android_external_skia,Jichao/skia,noselhq/skia,HalCanary/skia-hc,MinimalOS-AOSP/platform_external_skia,Infinitive-OS/platform_external_skia,vanish87/skia,boulzordev/android_external_skia,MarshedOut/android_external_skia,w3nd1go/android_external_skia,VRToxin-AOSP/android_external_skia,YUPlayGodDev/platform_external_skia,nvoron23/skia,PAC-ROM/android_external_skia,VRToxin-AOSP/android_external_skia,nvoron23/skia,HalCanary/skia-hc,VRToxin-AOSP/android_external_skia,Hikari-no-Tenshi/android_external_skia,pcwalton/skia,jtg-gg/skia,Hikari-no-Tenshi/android_external_skia,MonkeyZZZZ/platform_external_skia,invisiblek/android_external_skia,todotodoo/skia,nfxosp/platform_external_skia,chenlian2015/skia_from_google,nfxosp/platform_external_skia,qrealka/skia-hc,nvoron23/skia,spezi77/android_external_skia,google/skia,DiamondLovesYou/skia-sys,pcwalton/skia,AOSP-YU/platform_external_skia,rubenvb/skia,shahrzadmn/skia,BrokenROM/external_skia,AOSP-YU/platform_external_skia,boulzordev/android_external_skia,OneRom/external_skia,TeamTwisted/external_skia,google/skia,pcwalton/skia,MonkeyZZZZ/platform_external_skia,Infinitive-OS/platform_external_skia,YUPlayGodDev/platform_external_skia,AOSP-YU/platform_external_skia,ominux/skia,Jichao/skia,spezi77/android_external_skia,shahrzadmn/skia,PAC-ROM/android_external_skia,pcwalton/skia,qrealka/skia-hc,BrokenROM/external_skia,OneRom/external_skia,google/skia,UBERMALLOW/external_skia,chenlian2015/skia_from_google,nvoron23/skia,noselhq/skia,google/skia,BrokenROM/external_skia,MarshedOut/android_external_skia,OneRom/external_skia,chenlian2015/skia_from_google,scroggo/skia,rubenvb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