Add font "index" to lmp parser.
Add font "index" to lmp parser.

When ttc index support was added, it was added and tested on Android
with the jb parser. This adds it to the lmp parser.

Review URL: https://codereview.chromium.org/1023313002

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