Regularize informative messages in Android font parser.
Regularize informative messages in Android font parser.

The Android font parser prints a number of helpful messages when
something seems amiss in the configuration file. Give all of these
messages a common and more informative format.

Review URL: https://codereview.chromium.org/1096063003

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