Update Go Deps

Change-Id: I94cb61b6655237a4fe7b9c3f49c9a9eb70a3b5ab
Reviewed-on: https://skia-review.googlesource.com/c/buildbot/+/265369
Reviewed-by: <skia-recreate-skps@skia-swarming-bots.iam.gserviceaccount.com>
Commit-Queue: <skia-recreate-skps@skia-swarming-bots.iam.gserviceaccount.com>
diff --git a/go.mod b/go.mod
index 4389c1f..6eb2cc6 100644
--- a/go.mod
+++ b/go.mod
@@ -63,8 +63,7 @@
 	github.com/patrickmn/go-cache v2.1.0+incompatible
 	github.com/pmezard/go-difflib v1.0.0
 	github.com/prometheus/client_golang v1.3.0
-	github.com/prometheus/client_model v0.2.0 // indirect
-	github.com/prometheus/common v0.8.0 // indirect
+	github.com/prometheus/common v0.9.1 // indirect
 	github.com/robertkrimen/otto v0.0.0-20180617131154-15f95af6e78d // indirect
 	github.com/rogpeppe/go-internal v1.5.0 // indirect
 	github.com/russross/blackfriday/v2 v2.0.1
@@ -84,7 +83,7 @@
 	github.com/yosuke-furukawa/json5 v0.1.1 // indirect
 	github.com/zeebo/bencode v1.0.0
 	go.chromium.org/gae v0.0.0-20190826183307-50a499513efa // indirect
-	go.chromium.org/luci v0.0.0-20200118004315-02159be191d8
+	go.chromium.org/luci v0.0.0-20200121045008-a3da1b6e8467
 	go.opencensus.io v0.22.2
 	golang.org/x/crypto v0.0.0-20191117063200-497ca9f6d64f
 	golang.org/x/exp v0.0.0-20200119233911-0405dc783f0a // indirect
@@ -93,9 +92,9 @@
 	golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa
 	golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d
 	golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e
-	golang.org/x/sys v0.0.0-20200117145432-59e60aa80a0c // indirect
+	golang.org/x/sys v0.0.0-20200120151820-655fe14d7479 // indirect
 	golang.org/x/time v0.0.0-20190921001708-c4c64cad1fd0
-	golang.org/x/tools v0.0.0-20200119215504-eb0d8dd85bcc // indirect
+	golang.org/x/tools v0.0.0-20200121042740-dbc83e6dc05e // indirect
 	google.golang.org/api v0.15.0
 	google.golang.org/genproto v0.0.0-20200117163144-32f20d992d24
 	google.golang.org/grpc v1.26.0
diff --git a/go.sum b/go.sum
index 1f39262..46c4334 100644
--- a/go.sum
+++ b/go.sum
@@ -387,6 +387,8 @@
 github.com/prometheus/common v0.7.0/go.mod h1:DjGbpBbp5NYNiECxcL/VnbXCCaQpKd3tt26CguLLsqA=
 github.com/prometheus/common v0.8.0 h1:bLkjvFe2ZRX1DpcgZcdf7j/+MnusEps5hktST/FHA34=
 github.com/prometheus/common v0.8.0/go.mod h1:PC/OgXc+UN7B4ALwvn1yzVZmVwvhXp5JsbBv6wSv6i0=
+github.com/prometheus/common v0.9.1 h1:KOMtN28tlbam3/7ZKEYKHhKoJZYYj3gMH4uc62x7X7U=
+github.com/prometheus/common v0.9.1/go.mod h1:yhUN8i9wzaXS3w1O07YhxHEBxD+W35wd8bs7vj7HSQ4=
 github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
 github.com/prometheus/procfs v0.0.2 h1:6LJUbpNm42llc4HRCuvApCSWB/WfhuNo9K98Q9sNGfs=
 github.com/prometheus/procfs v0.0.2/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA=
@@ -493,6 +495,8 @@
 go.chromium.org/luci v0.0.0-20200117005442-eb879596d415/go.mod h1:MIQewVTLvOvc0UioV0JNqTNO/RspKFS0XEeoKrOxsdM=
 go.chromium.org/luci v0.0.0-20200118004315-02159be191d8 h1:Ig8YukvuLuYfa/LIbbU8MtowzBWvpPc5BGY/b76dT4g=
 go.chromium.org/luci v0.0.0-20200118004315-02159be191d8/go.mod h1:MIQewVTLvOvc0UioV0JNqTNO/RspKFS0XEeoKrOxsdM=
+go.chromium.org/luci v0.0.0-20200121045008-a3da1b6e8467 h1:w4YYykSLsrQnLC18Wax85Dir5CkGauT7Msp5WmgmYE4=
+go.chromium.org/luci v0.0.0-20200121045008-a3da1b6e8467/go.mod h1:MIQewVTLvOvc0UioV0JNqTNO/RspKFS0XEeoKrOxsdM=
 go.opencensus.io v0.21.0 h1:mU6zScU4U1YAFPHEHYk+3JC4SY7JxgkqS10ZOSyksNg=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
 go.opencensus.io v0.22.0 h1:C9hSCOW830chIVkdja34wa6Ky+IzWllkUinR+BtRZd4=
@@ -640,6 +644,8 @@
 golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200117145432-59e60aa80a0c h1:gUYreENmqtjZb2brVfUas1sC6UivSY8XwKwPo8tloLs=
 golang.org/x/sys v0.0.0-20200117145432-59e60aa80a0c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200120151820-655fe14d7479 h1:LhLiKguPgZL+Tglay4GhVtfF0kb8cvOJ0dHTCBO8YNI=
+golang.org/x/sys v0.0.0-20200120151820-655fe14d7479/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.0.0-20160726164857-2910a502d2bf/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@@ -709,6 +715,8 @@
 golang.org/x/tools v0.0.0-20200117220505-0cba7a3a9ee9/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 golang.org/x/tools v0.0.0-20200119215504-eb0d8dd85bcc h1:ZA7KFRdqWZkBr0/YbHm1h08vDJ5gQdjVG/8L153z5c4=
 golang.org/x/tools v0.0.0-20200119215504-eb0d8dd85bcc/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20200121042740-dbc83e6dc05e h1:wzfmKpQbG3292bENHYXE80BQY2Ye0lVf3ZXzlG9oWXA=
+golang.org/x/tools v0.0.0-20200121042740-dbc83e6dc05e/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=