Add --options to nanobench, similar to --key but for non-identifying options.
Add --options to nanobench, similar to --key but for non-identifying options.

Friends with https://codereview.chromium.org/487233003/

Example of out/Release/nanobench --options build_number 12374 --match patch_grid_texs_small

{
   "gitHash":"unknown-revision",
   "options":{
      "build_number":"12374",
      "system":"UNIX"
   },
   "results":{
      "patch_grid_texs_small_640_480":{
         "565":{
            "max_ms":0.268116,
            "mean_ms":0.2318529,
            "median_ms":0.235337,
            "min_ms":0.219158,
            "options":{
               "source_type":"bench"
            },
            "stddev_ms":0.01491263917658814
         },
         "8888":{
            "max_ms":0.231881,
            "mean_ms":0.2214668,
            "median_ms":0.219356,
            "min_ms":0.218887,
            "options":{
               "source_type":"bench"
            },
            "stddev_ms":0.004595541070791701
         },
         "gpu":{
            "max_ms":0.1398304782608696,
            "mean_ms":0.128833402173913,
            "median_ms":0.1316798695652174,
            "min_ms":0.1111915434782609,
            "options":{
               "GL_RENDERER":"Quadro 600/PCIe/SSE2",
               "GL_SHADING_LANGUAGE_VERSION":"4.40 NVIDIA via Cg compiler",
               "GL_VENDOR":"NVIDIA Corporation",
               "GL_VERSION":"4.4.0 NVIDIA 331.79",
               "source_type":"bench"
            },
            "stddev_ms":0.008923738937837156
         }
      }
   }
}

BUG=skia:
R=jcgregorio@google.com, mtklein@google.com

Author: mtklein@chromium.org

Review URL: https://codereview.chromium.org/490683002

MinimalOS/external_chromium_org_third_party_skia,todotodoo/skia,boulzordev/android_external_skia,BrokenROM/external_skia,w3nd1go/android_external_skia,jtg-gg/skia,MIPS/external-chromium_org-third_party-skia,invisiblek/android_external_skia,ominux/skia,w3nd1go/android_external_skia,samuelig/skia,MonkeyZZZZ/platform_external_skia,nvoron23/skia,android-ia/platform_external_chromium_org_third_party_skia,MonkeyZZZZ/platform_external_skia,OptiPop/external_chromium_org_third_party_skia,vanish87/skia,AOSP-YU/platform_external_skia,samuelig/skia,MonkeyZZZZ/platform_external_skia,timduru/platform-external-skia,mydongistiny/external_chromium_org_third_party_skia,YUPlayGodDev/platform_external_skia,qrealka/skia-hc,OneRom/external_skia,nfxosp/platform_external_skia,UBERMALLOW/external_skia,spezi77/android_external_skia,mydongistiny/external_chromium_org_third_party_skia,Jichao/skia,android-ia/platform_external_chromium_org_third_party_skia,mydongistiny/external_chromium_org_third_party_skia,nfxosp/platform_external_skia,AOSP-YU/platform_external_skia,TeamExodus/external_skia,UBERMALLOW/external_skia,VRToxin-AOSP/android_external_skia,OneRom/external_skia,OneRom/external_skia,ench0/external_chromium_org_third_party_skia,xin3liang/platform_external_chromium_org_third_party_skia,tmpvar/skia.cc,MIPS/external-chromium_org-third_party-skia,Infinitive-OS/platform_external_skia,DiamondLovesYou/skia-sys,TeamEOS/external_chromium_org_third_party_skia,TeamEOS/external_chromium_org_third_party_skia,AOSP-YU/platform_external_skia,aosp-mirror/platform_external_skia,UBERMALLOW/external_skia,aosp-mirror/platform_external_skia,samuelig/skia,Igalia/skia,MarshedOut/android_external_skia,DARKPOP/external_chromium_org_third_party_skia,samuelig/skia,VRToxin-AOSP/android_external_skia,Jichao/skia,YUPlayGodDev/platform_external_skia,samuelig/skia,noselhq/skia,google/skia,OptiPop/external_chromium_org_third_party_skia,MinimalOS/external_chromium_org_third_party_skia,OneRom/external_skia,amyvmiwei/skia,PAC-ROM/android_external_skia,android-ia/platform_external_chromium_org_third_party_skia,invisiblek/android_external_skia,Jichao/skia,Igalia/skia,HalCanary/skia-hc,DARKPOP/external_chromium_org_third_party_skia,MinimalOS/android_external_chromium_org_third_party_skia,scroggo/skia,google/skia,boulzordev/android_external_skia,aosp-mirror/platform_external_skia,VRToxin-AOSP/android_external_skia,VRToxin-AOSP/android_external_skia,Jichao/skia,TeamTwisted/external_skia,Fusion-Rom/external_chromium_org_third_party_skia,TeamExodus/external_skia,MarshedOut/android_external_skia,invisiblek/android_external_skia,qrealka/skia-hc,HalCanary/skia-hc,scroggo/skia,TeamExodus/external_skia,vanish87/skia,OptiPop/external_chromium_org_third_party_skia,chenlian2015/skia_from_google,rubenvb/skia,boulzordev/android_external_skia,ominux/skia,tmpvar/skia.cc,MinimalOS/android_external_chromium_org_third_party_skia,Jichao/skia,todotodoo/skia,shahrzadmn/skia,Igalia/skia,BrokenROM/external_skia,Infinitive-OS/platform_external_skia,amyvmiwei/skia,ominux/skia,todotodoo/skia,BrokenROM/external_skia,rubenvb/skia,boulzordev/android_external_skia,YUPlayGodDev/platform_external_skia,jtg-gg/skia,VRToxin-AOSP/android_external_skia,FusionSP/external_chromium_org_third_party_skia,MonkeyZZZZ/platform_external_skia,noselhq/skia,Omegaphora/external_chromium_org_third_party_skia,google/skia,geekboxzone/lollipop_external_chromium_org_third_party_skia,nvoron23/skia,w3nd1go/android_external_skia,rubenvb/skia,geekboxzone/lollipop_external_chromium_org_third_party_skia,ominux/skia,tmpvar/skia.cc,xin3liang/platform_external_chromium_org_third_party_skia,chenlian2015/skia_from_google,MinimalOS/android_external_chromium_org_third_party_skia,AOSPB/external_skia,Jichao/skia,OneRom/external_skia,UBERMALLOW/external_skia,MarshedOut/android_external_skia,mydongistiny/external_chromium_org_third_party_skia,Omegaphora/external_chromium_org_third_party_skia,FusionSP/external_chromium_org_third_party_skia,xin3liang/platform_external_chromium_org_third_party_skia,Infinitive-OS/platform_external_skia,jtg-gg/skia,ominux/skia,aosp-mirror/platform_external_skia,Omegaphora/external_chromium_org_third_party_skia,amyvmiwei/skia,nfxosp/platform_external_skia,geekboxzone/lollipop_external_chromium_org_third_party_skia,DARKPOP/external_chromium_org_third_party_skia,tmpvar/skia.cc,invisiblek/android_external_skia,MarshedOut/android_external_skia,samuelig/skia,TeamExodus/external_skia,Igalia/skia,MyAOSP/external_chromium_org_third_party_skia,spezi77/android_external_skia,TeamTwisted/external_skia,noselhq/skia,shahrzadmn/skia,TeamTwisted/external_skia,FusionSP/external_chromium_org_third_party_skia,nfxosp/platform_external_skia,HalCanary/skia-hc,MarshedOut/android_external_skia,AOSPB/external_skia,chenlian2015/skia_from_google,scroggo/skia,AOSP-YU/platform_external_skia,MyAOSP/external_chromium_org_third_party_skia,MinimalOS/android_external_chromium_org_third_party_skia,boulzordev/android_external_skia,vanish87/skia,Mo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